Although lucians found various reasons, they did not succeed in persuading Chen Xin. Instead, they agreed to Chen Xin's amendment plan under the threat of not providing technical support.

Lucia's new shelter will adopt Chen Xin's revised design, add an additional planting greenhouse maintained by ground source heat pump, and replace the separate kitchen of each household with a collective canteen.

In addition, the construction technology provided by Yanguo will also be used to optimize the building structure. The original independent basement buildings and the core area, which were originally only connected in series, will be transformed into the form of household rooms as the main living space, with the central functional area.

This naturally increases the cost and investment of the whole reconstruction plan, and also goes against the original idea of Lucia.

However, with the support of construction technology provided by Yanguo, the construction cost itself has not increased too much. On the whole, it is only about 15% more than the original reconstruction plan of lucians.

In exchange for the 15% increase in cost, the number of people that can be accommodated in the shelter has increased by 20%, from 5000 originally designed by lucians to 6000, and the living and living conditions have been greatly improved.

In the face of such a situation, even if the person in charge of Lucia is reluctant, he can only choose Chen Xin's plan.

After all, if we use their original plan, both the construction investment and the construction time are far greater than the current plan, but the effect is not as good as Chen Xin's plan.

With Chen Xin's design, they can completely take down the population that originally needed five shelters to accommodate with four shelters. In this way, the construction cost of one shelter can be saved.

It is clear to the lucians that which of the four refuges with a 15% increase in construction cost or the five refuges with the original construction cost is more expensive.

It is for this reason that Lucia will officially agree with Chen Xin's design.

On the other hand, after Chen Xin sent the result back to China, China was also very satisfied with the result.

After all, although the Congress provides technical assistance to Lucia, these things are not free.

Although some of them were provided to Lucia in the name of donation, it is well known that free is the most expensive.

All these things provided by Yanguo are paid by Lucia now or in the future.

As for what to use to repay, Lucia, who needs to repay now, can use the technology or material objects of the suvian period to pay off the debt, while what needs to be repaid in the future is probably minerals and other things.

In the current situation, land is not of great significance. Otherwise, Chen Xin wants Lucia to return the 1.5 million square kilometers of land occupied by Tsarist Russia, and let uriyasutai return to Yanguo, especially the tangnuwulianghai area, which is the territory of Yanguo directly seized by suvia!

In fact, Yanguo's high-level officials don't have such an idea either. It's just that there are basically no people in these areas now, and they have become no man's land. Moreover, the living environment is very bad. To recover these areas, it needs a lot of investment in infrastructure. Not to mention, it also needs a lot of people to stay for a long time, and it is difficult to provide any production.

In addition to the nominal harvest of recovering lost land, these areas can not provide any practical benefits for the country, but consume a lot of resources.

It is for this reason that although the senior officials of Yanguo think it's a pity, they still choose something more practical after careful consideration.

Chen Xin did not express any opinions on this, but did his job well.

Although for Chen Xin, if the country is willing to recover these areas, he has a way to turn them into productive and beneficial places for the country, on the whole, it still needs a lot of investment.

Taking the current situation of Yanguo as an example, even if Chen Xin can use the system upgrade to turn the situation into the most favorable situation, Yanguo, who has just experienced the southwest earthquake, really can not afford such a huge investment to recover the lost land.

However, Chen Xin wrote a feasible plan and handed it in to the senior management for reference.

What this plan needs to make use of is Chen Xin's mobile base. Relying on the self-supporting ability of the mobile base, the mobile base will be stationed in these areas, and then a semi permanent modular base will be built and developed on this basis.

In these areas, although there may be no other production, there are still some mineral resources, which can provide a lot of industrial raw materials for domestic construction.

It's just that this plan still needs a lot of investment, and Chen Xin is not sure whether the senior management will do it or not, so he just submitted the plan and did not continue to ask.

His main job now is still on the weather controller.

After two upgrades, the weather controller has been repaired and ready to use.

Chen Xin is now planning when to start the machine and conduct an experiment.

But it's not so easy to accomplish. After all, this machine was originally designed by the suvians to be used with special chemicals.

Now Chen Xin has only replaced its parts and optimized its structure, but has not optimized and upgraded its working efficiency and operating principle. Therefore, if Chen Xin wants to start the machine for experiment, in theory, he still needs to spread chemicals to see the effect.

Of course, if you just start the machine to see if it can be used, or what effect can be achieved after the machine is turned on, you don't need to be so troublesome. Just start the machine.

During this period, the isotope generator transported from China has been assembled and connected to the base circuit to generate electricity. The problem of power required for the operation of the weather controller has been solved. Now the start-up test conditions of the weather controller are basically ready.

So Chen Xin is now planning a start-up test of the weather controller.

Although the results of the experiment itself may not have any effect, after all, according to the design of the suvians, special chemicals are needed to work, Chen Xin decided to start the machine to have a look.

After all, only when the machine is started can we collect relevant experimental data and understand what the machine can do.

After collecting these data, Chen Xin wants to continue upgrading the machine and knows where to start.

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