Alternatives exist, from seafloor vibration-producers to revamped air guns that produce less sound but equally good images.

还有至于其它比如从地下振动源入手或者翻修更新制作出更少声噪但画面质量不变的空气枪的勘探方式。

Dozens of melon-headed whales washed up dead on Madagascar beaches following similar seismic air gun testing by ExxonMobil in 2008.

2008年ExxonMobil空气枪公司测试模拟地震引起的声频使用空气枪的时候就造成了大批头部肿胀的鲸类尸体被冲上马达加斯加海岸。

Air guns produce loud blasts, sometimes every 10 to 15 seconds, for months on end.

气枪会发出响亮的爆炸声，有时每 10 到 15 秒一次，持续数月之久。

Humans today pollute oceans with whirring ship propellers and booming air guns searching for oil and gas deposits.

今天，人类用呼呼作响的船舶螺旋桨和轰鸣的气枪寻找石油和天然气矿藏， 污染着海洋。

Police say Tamir Rice was playing with an air gun last month when officers pulled down next to him in a car in response to a 911 call.

警方表示，上个月警方接到911报警电话后出警，他们把车停在塔米尔·赖斯身边时他正在玩一把气枪。

The shooting took place less than two seconds after the police car pulled up to the boy. He was carrying an unloaded pellet gun -- a device also known as an air gun.

警车在这个男孩面前停下不到两秒就发生了这一枪击事件。这个男孩携带了一把没装子弹的粒丸枪，也被称为气枪。