Aerial seeding is not a new idea.

空中播并不是一个新想法。

The method to artificially produce rain is called cloud seeding.

这人工增雨的方法为人工降雨。

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

直到农民们出去播，才会有人发现它。

Work with the soil before seeding or transplanting.

播或移栽前要先整理土壤。

This would not be seeding them with Earth life.

并不是播来地球生命。

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年代进行的。

This process involves cloud seeding – when various substances are put into clouds in an attempt to cause rain.

其中包括云散播——物质放入云中，通过催化作用产生降雨。

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

在部分地区，播云带来了新的降雪，那里并没有然降雪。

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。

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

为了制造更的降雨，便只有人工降雨这个法子了。

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.

这颗恒星把它大部分的“内脏”射入太空，在星系中植入重元素。

Opposition to cloud seeding isn't new.

反对人工降雨并不是什么新鲜事。

One of many organizations around the world that practice cloud seeding.

这是世界上许进行人工降雨的组织之一。

It's called " cloud seeding" and it involves getting the clouds to make more rain.

这为“人工降雨”，它包括让云产生更的雨水。

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。

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。

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

上世纪40年代以来，美国部分地区一直在进行播云试验。

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

她结果是“启示”，有助于理解播云技术的效果。