When Chen Xin was busy with the construction of new urban areas, other domestic departments were not idle.

With the national strategic adjustment brought about by the end of the civil war, various requirements and controls under the original war mode have been cancelled, and the focus of national construction and development has shifted back to people's livelihood, which has really improved the situation of the country in recent months.

Instead of maintaining high-intensity military operations and consumption, a large amount of steel does not need to be used to make shells, but can be used to make all kinds of machinery and production tools to improve production conditions

The valuable transport capacity of the railway has been liberated and there is no need to transport materials to the front line every day, which has significantly picked up the domestic material supply level

The factory does not need to produce military products day and night, but can return to the production of civil products, which also makes the types of domestic material supply more

In short, although the country still has to bear the burden of aid to Europe and support for the construction of the Middle East defense line, the overall situation is gradually improving, and the construction stopped because of the war has been resumed, which has obviously made the life of the Chinese people much better in recent months.

Even the aid to Europe has been greatly improved due to the adjustment of domestic productivity, which has enabled Europe to gain many advantages on the battlefield.

Judging from the current war situation, if alien creatures do not make some other moths, it is impossible for them to break through the European defense line, while the Eastern European defense line and the Middle East defense line are less likely to be used at present.

However, Yanguo and Lucia have no intention of giving up the construction of these two lines of defense. On the contrary, the two countries have accelerated the two lines of defense currently under construction, and intend to take advantage of the opportunity that Yanguo's productivity is now liberated from the domestic war to complete the line of defense across Eurasia as soon as possible, which is enough to be called the new great wall.

Of course, this is not that the two countries have the delusion of being killed, want to waste domestic resources, or simply want to build a spectacle, but that the countries that have fought with alien creatures clearly know that there is no reason to talk with these alien creatures, and they can't have any luck.

It is better to spend a lot of resources to build a defense line and turn it into useless furnishings, rather than give up the construction of the defense line because the war situation is not dangerous at present.

Instead, we should seize the time when we have advantages and improve the defense system as soon as possible. In this way, even if alien creatures can toss out any moths, humans also have the ability to resist.

Moreover, not only the construction of the defense line, countries are also further strengthening their domestic military production and military construction. Lucians even proposed to organize the military R & D departments of various countries for cooperation and take out their technologies, so as to develop military equipment that can draw on the strengths of many countries and better meet the needs of the current war.

European countries support this proposal very much. After all, there is often technical cooperation between European countries, and there is no problem. Moreover, now all the technical equipment used by countries to fight against alien organisms comes from the assistance of China. They are not stingy about their own technology.

As for Lucia, in fact, they had already opened their own technology library to Yanguo as early as when they first received assistance from Yanguo.

Moreover, due to some grievances and disputes between Yanguo and Lucia in those years, the technologies of the two countries are actually interconnected to a great extent, and there is no problem in technical cooperation.

However, at present, it is obvious that Yanguo's technology is the strongest among the three parties. Rather than joint research, it is still taking advantage of Yanguo to a large extent.

Just out of the consideration of uniting all parties and the need to enhance the military strength of the other two parties in order to fight against alien creatures, Yanguo agreed to the proposal of joint research put forward by Lucia.

After all, the military equipment of the three parties now depends on Yanguo. Of course, Yanguo's military technology is advanced, but on the other hand, the military equipment production capacity of Lucia and European countries has also been wasted.

If Yanguo doesn't give them technology, they can only produce those old-fashioned equipment, and how much role these equipment can play in the battle against alien creatures has obviously been tested in actual combat.

However, if they can play a satisfactory role, now countries will not be equipped with all the equipment of Yanguo.

Therefore, the joint research plan was adopted. Yanguo opened the foreign trade version of major equipment against aliens such as power armor, exoskeleton electromagnetic rifle and Titan to European countries and Lucia.

Obviously, countries can't be stingy, and they have taken out all the technologies they can afford.

After all, before the technical disaster of pressing the bottom of the box, we all knew each other. Although we were not forced to take out the old foundation, we could still tell whether the things we took out were good or bad.

So even if some countries want to cherish themselves, other countries will not let him do so.

However, although all countries have come up with their own advantageous technologies, it is obviously impossible to say that the development of new equipment is a combination of various technologies.

Before the disaster, a San studied the main battle tank and got the most advanced mainstream technology in various countries at that time, but the thing he made was just an expensive and amazing industrial waste.

Therefore, this joint research project mainly studies a series of equipment taken out by Yanguo, trying to apply the technology taken out by various countries to these equipment and improve them.

In addition to these improvements, the joint research project naturally needs to develop something and achieve some results to prove that the joint research project is not an obvious project.

In order to achieve this goal, it is natural to have a large-scale project that can produce at least some practical results that can play an important role in the battlefield.

However, it is not easy to find such a large-scale project, because the series of equipment used by Yanguo now covers most of the equipment used in the current battlefield, except for the open land ships and mobile bases. It is not easy to develop something new.

Therefore, all countries took out some equipment R & D plans before the disaster. Some of them were just the upgrading of active equipment in various countries at that time, while others were works with big brain holes.

Some of these plans are reasonable, but a considerable part of them are the products of designers' flying themselves. Although the creativity and ideas are really good and can not be used as research projects, they are obviously not suitable to be the main target of the whole joint research project.

However, among these plans, the joint research project has selected a suitable project as their research project.

This project is the South Tianmen plan put forward by the Yanguo military.

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