Aerial seeding is not a new idea.

空中播种并不是一个新想法。

In 2017 the National Science Foundation funded a study to determine cloud seeding's effectiveness.

2017年，国家科学基金会资助了一项研究，以确定云催化的有效性。

This would not be seeding them with Earth life.

并不是播种来自地球生命。

So is this a problem that cloud seeding could solve?

那么，人工降雨可以解决这个问题吗？

The first cloud seeding experiments took place in the 1940s.

第一次人工降水实验是在20世纪40年代进的。

Gene's farm is right outside the cloud seeding program's target area but he wants in.

吉恩的农场就在人工降雨程序的目标区域之外，但他想加入其中。

To make more rain, you know, cloud seeding is really the only thing out there.

为了制造更多的降雨，便只有人工降雨这个法子了。

In some areas, the cloud seeding created new snowfall where no natural snow existed.

在分地区，播云带来了新的降雪，那里并没有自然降雪。

This could be solved by seeding the clouds above the Arctic with droplets of saltwater.

这个问题可以通过在北极上空撒盐水，帮助成云的方法来解决。

The star shoots most of its innards into space, seeding the galaxy with heavy elements.

这颗恒星把分的“内脏”射入太空，在星系中植入重元素。

The method to artificially produce rain is called cloud seeding.

这种人工增雨的方法被称为人工降雨。

Work with the soil before seeding or transplanting.

播种或移栽前要先整理土壤。

Nobody would have noticed until the farmers went out to do their seeding.

直到农民们出去播种，才会有人发现。

The group starts by collecting restaurants discarded oyster shells, drying them and then seeding them with oyster larvae.

这个小组首先收集餐馆丢弃的牡蛎壳，晾干，然后用牡蛎幼虫播种。

And soon after seeding, these flowers will die, not to be seen again for the next 12 years.

在授粉后不久，这些花将会死去，下次看到绽放，还要再等 12 年。

Cloud seeding is a process that involves shooting salt into clouds in an attempt to create artificial rain.

播云就是向云层喷射盐以制造人工降雨。

The drier conditions and hotter temperatures have left many trees with brown leaves, naked branches, and extreme seeding.

更干燥的条件和更热的温度使许多树的叶子变成棕色，树枝裸露，种子极其稀少。

For now, national weather bodies have yet to endorse the practice of cloud seeding.

目前，国家气象机构尚未批准云催化的实践。

She called the results a " revelation" to helping understand the effectiveness of cloud seeding technology.

她称结果是“启示”，有助于理解播云技术的效果。

Cloud seeding has been tested in parts of the United States since the 1940s.

自上世纪40年代以来，美国分地区一直在进播云试验。