Powerful positional rockets help the HAET-221 reach its target drop site, as does a sophisticated targeting array that quickly maps a planet's topographical features.

强大的定位火箭能帮助HAET - 221抵达其目标降落位置，同时，精密的目标测绘系统迅速勾画出行星的地形特征。

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They go to the site of the change and drop a grain of soil.

他们前往发生变化的地方，然后丢下一粒泥土。

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This image comes from the Liquid drop Art site, which simply catches the instants after a drop lands in water.

这幅图片来自于液滴艺术的网站，它捕捉到了在一滴液体触及水面后的瞬间。

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He estimated the drop at the site at about 5ft.

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Barry Schwartz, a blogger for search marketing site Search Engine Roundtable, says that even though his pagerank dropped from seven to four on a scale from one to 10, he hasn't seen a falloff in traffic from Google searches or even a drop in his site's placement in Google's search results.

FORBES: Magazine Article

When you're ready to buy something from a site, you just drop your ID and credit card on the purchase page.

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