The first-stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere

第一级运载火箭是用来发射火箭的, 进入高层大气後即抛掉

Most spacecraft are not self-propelled; they are accelerated to the necessary high velocity by 2-staged rockets, which are jettisoned when their fuel is used up.

多数航天器不是自我驱动的，通常依靠两级火箭来加速到必要的高速度，而两级火箭在油料用光后便投弃掉。

If there were any on board, they must also have jettisoned

如果有的话，一定也弃船而去

The delta-winged Columbia, before reaching the orbit, jettisoned its dual booster rockets two minutes into flight

三角翼的哥伦比亚号航天飞机在进入轨道前，起飞两分钟就抛下其两个助推火箭。

"Unless foreign investment becomes more plentiful and longer term," Schrirer says, "policies that are fairly sensible in an economic sense may be jettisoned , in favour of a more populist approach."

施莱勒尔说，“除非外国投资数量更大、更着眼于长期效益，那么，从经济上看颇有见地的政策就可能会遭到抛弃，而为一种哗众取宠、急功近利的做法所取代。”

They have taken aboard new cargo and jettisoned some outmoded gear

他们装上新的货物，并把一些陈旧过时的装备抛弃。

An escape pod was jettisoned during the fighting,but no life forms were aboard

逃生舱在战斗中被丢弃船外上面没有生命迹象

It must be a decoy, sir. Several of the escape pods have been jettisoned

这一定是条作饵的船，有几个逃生船已离船了

||1:HewlettPackard decided to hive off its PCandprinter business and create a new company, Hewlett-Packard Enterprise, to focus on servers, cloud computing and big data.||2:It will be run by Meg Whitman, HP’s boss.When she became chief executive three years ago Ms Whitman jettisoned the idea of spinning off the PC business.||3:But with the rise of tablets HP’s computer sales have suffered, falling 7% last year, according to Gartner, a consulting firm.

||1:惠普决定分出的个人电脑和打印机业务,创建一个专注于服务器、云计算和处理大数据的新公司。||2:这将由惠普的老板梅格·惠特曼亲自操刀，早在三年前惠特曼女士成为首席执行长的时候就有剥离个人电脑业务的想法。||3:但据高德纳咨询公司的数据显示，随着平板电脑的兴起，惠普的电脑销量遭受重创,去年下降了7%。

||1:After climbing back out of Endurance—no one had known whether it would be able to—Opportunity was sent off to inspect the jettisoned heat-shield that had protected it as it burned down through the Martian atmosphere, now a glinting monument on the pockmarked plain.||2:It was not the only thing that had fallen from the sky.||3:As it rolled on, Opportunity came across a meteorite, its lithology distinctively un-Martian.||4:Later it took a little video of Phobos, the larger of Mars’s small moons, passing as a shadow across the face of the Sun.

||1:在耐力恢复后——无人能知道它是否能做到——“机遇号”被派去检查被丢弃的隔热罩，它在火星大气层中被烧毁时，隔热罩保护着它，现在它是火星坑洼平原上闪闪发光的纪念碑。||2:而隔热罩不是唯一从天上掉下来的东西。||3:随着“机遇号”继续前进，它遇到了一颗陨石，其岩性与火星截然不同。||4:后来，它拍摄了一小段关于火卫一的视频，火卫一是火星上较小的卫星中较大的一个，它以阴影的形式掠过太阳表面。

Chandler jettisoned the anti-union dogma and set about building a west-coast rival to the New York Times.

Chandler抛弃了不结盟教义并着手打造《纽约时报》的一个西岸竞争对手。

Their equipment had been jettisoned at sea; most of their weapons had been lost among the mangroves.

他们迫不得已把装备扔进了大海中，而绝大部分的武器早已遗落在红林之中。

He chose to keep his own counsel as recently jettisoned Minister for Communications and Information Technology A.

他宁愿保留他的顾问，就像最近刚被抛弃的通信与信息产业部部长A.拉贾（A。

Chambers laid off thousands of employees, shrank the number of suppliers, and simplified or jettisoned many products.

为此，钱伯斯不得不裁减员工，减少供应，精简产品。

The ubiquitous marigold might be jettisoned for roses, orchids, lilies and gerbera daisies.

无所不在的金盏花，可能会被调换成玫瑰、兰花、百合，或是非洲菊。

The stigma on government involvement should be jettisoned .

应消除政府干预的污名。

Too busy getting on with life, many seemed to have jettisoned courtesy as an optional extra.

由于过于忙的要应付生计，许多人似乎投弃了谦恭，把它当成是可选择的额外部分。

In the vent of a suborbital launch, the booster would be jettisoned before Tycho Brahe spacecraft reaches zero gravity.

在次轨道发射的尽头，助推器将在第谷·布拉赫达到零重力状态之前被剥离。

The Obama administration jettisoned that idea after running into the thorny issue of pricing.

在遇到定价这个棘手的问题之后，奥巴马政府放弃了“坏银行”的想法。

In the end, Jiang reluctantly jettisoned the idea.

最终，江很不情愿地拒绝了这个想法。