If the source of ions is biased off ground, then the ion collector will most likely be at ground potential.
如果离子源偏离地电位，那么离子收集电极多半处在地电位。
Auto ground: Automatic ground balance - raise search coil off ground, press the auto ground button, lower the coil to the ground, and release the button for precision auto-balancing.
自动地面：地面自动平衡-提高搜索起飞地面线圈，按auto按钮地面，降低线圈到地面，并释放精密自动按钮平衡。
An aeroplane has to reach a certain speed before there is enough lift to get it off the ground.
飞机得在达到一定的速度以后，才能有足够的提升力从地面起飞。
Meanwhile, back in Everett, Marc Fulmer is busy raising money to help get the project off the ground.
此时在埃弗里特，马克·富尔默正忙着筹资来帮助该项目启动。
The higher you get off the ground, the colder it gets.
离地面越高，温度越低。
Scratch in the dirt for seeds and insects, cluck and cackle and fly just a few feet off the ground with wings thrashing in the wind.
在泥土中寻找种子和昆虫，咯咯地叫，在风中扑打着翅膀，只飞离地面几尺高。
They pried off the lid with their shovels, got out the body and dumped it rudely on the ground.
他们用铁锹撬开盖子，取出尸体，粗鲁地扔在地上。
She tried to cover her necklace with the collar of her overcoat while she used the other hand to take off both of her earrings and then quickly threw them on the ground.
她试着用大衣领子盖住项链，另一只手取下两只耳环，然后迅速地把它们扔在地上。
And by outsourcing, he'd hoped he could get the business off the ground without debt.
通过外包，他希望自己可以在没有债务的情况下让公司起步。
It is first ground into mince and then steamed and rotated in an oven angled like a cement mixer so that the juices run off.
它首先被磨成肉末，然后蒸煮，在烤箱中烘烤；烤箱像一个水泥搅拌器一样倾斜着放，这样可以让肉汁流走。
At its highest point, it is 175 meters off the ground.
它的最高点离地面有175米。
Some dancers can dance under a pole just twenty centimeters off the ground!
有些舞者可以在离地面仅20厘米的杆子下跳舞！
To further protect the house from hurricane damage, Huff raised it 2.7 meters off the ground on timber pilings.
为了进一步保护房子不受飓风的破坏，哈夫用木桩将它抬高了2.7米。
It seems that flying cars will face more than a few problems if they are to get off the ground!
如果飞行汽车想要离开地面，它们似乎会面临很多问题！
Huff raised it 2.7 meters off the ground on timber pilings—long, slender columns of wood anchored deep in the sand.
Huff 用木桩将它抬高了2.7米，这条木桩又长又细，深深固定在沙子里。
You can just pick it out of the ground or off a plant and put it into a basket!
你可以把它从地里拿起来或植物上摘下来，然后放进篮子里！
When five pellets are placed on top without falling off, catching cicadas is as easy as picking a ball up from the ground.
如果把五个弹丸放在上面而不掉下来，捕蝉就像从地上捡球一样容易了。
The ground levels off beyond the woods.
过了树林，地面就平坦了。
How do birds and bats and other flying beasties manage to get off and stay off the ground?
鸟类、蝙蝠和其他会飞的生物是如何离开地面、保持飞行状态的呢？
It's dangerous to want to get away from earth awhile, to get your feet entirely off the ground.
想要逃离地面一会，让自己的双脚同时离开地面很危险。
If this gale gets any stronger, it's going to lift our small car off the ground.
如果这阵风再大一点，会把我们的小汽车掀离地面的。
Since it was slow, small and could only get so high off the ground, the flying platform was never put into production.
但后来由于它速度太慢，太小，这能离开地面很小的距离，“飞翔平台”从未投入生产。
The propellers lifted off the ground at 28 miles per hour.
飞机飞离地面后，以每小时28英里的速度向高空爬升。
I stomped to the end of the driveway, jerked the cans off the ground and wheeled them to the garage.
我一路跺脚，走到跑道尽头。猛地拽起地上的垃圾桶，然后把它推进车库。
The higher you lift yourself off the ground, the greaterthe shock you have to absorb when landing and the faster your legs willfatigue.
你让你自己离地面越高，当着地时你不得不吸收更大的震动，而且你的腿会疲劳的越快。
The satellite bounces laser light off the ground, allowing researchers to measure the terrain with extraordinary precision.
这颗卫星利用地面对激光的反射，让研究人员以极高的精度测量地形。
Nestled among the branches, up off the ground, there’s a nine-foot-diameter hardwood floor and groovy round mattress inside.
它位于数的枝干之间，地面之上，里面有一个直径九英寸的硬木板和一个绝妙的圆形床垫。
It's a concept that's been around for decades but never really seems to get off the ground.
飞行汽车的概念在人们脑子里已经萦绕了几十年，但似乎还没有真的汽车飞离地面。
It's a concept that's been around for decades but never really seems to get off the ground.
飞行汽车的概念在人们脑子里已经萦绕了几十年，但似乎还没有真的汽车飞离地面。
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