Cloud seeding technology has been around since the 1940s.

人工降雨技术在20世纪40年代就已经出现了。

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

自上世纪40年代以来，美国部分地区一直在进行播云试验。

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。

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。

Done consistently the hope is that cloud seeding can help bank water.

一直以来，人们都希望人工降雨能够帮助蓄水。

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，那里并没有自然降雪。

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。

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

这是世界上许多进行人工降雨的组织之一。

But proving the effects of cloud seeding on the ground has been a struggle.

但在地面上证明人工降雨的影响一直是个难题。

Opposition to cloud seeding isn't new.

反对人工降雨并不是什么新鲜事。

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。

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。

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

这被称为“人工降雨”，它包括让云产生更多的雨水。

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

其中包括云种散播——将多种物质放入云中，通过催化作用产生降雨。

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。

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。

Indonesia's air force teamed up with the country's technology agency to carry out three rounds of cloud seeding on Friday.

周五，印尼空军与该国技术机构合作进行了三轮人工降雨。

But today tests using clouds in snowy mountains are providing further evidence that cloud seeding works.

但是今天，在雪山中使用云层的测试进一步证明了人工降雨的有效性。

Idaho Power has invested over $3 million in a cloud seeding program to increase the snow pack at the state's highest peaks.

爱达荷州电力公司已经投资300多万美元用于云催化项目，以增加该州最高峰的积雪。