为了测量两极之间的高程差，测量员在两极中间的一个水平基座上使用了光学水准望远镜。
To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.
中间是明亮的星云，一个极薄的碟状物，从我们这个非常的视点看着像一条直线。
The bright nucleus can be seen at the centre, along with the very thin disc that looks like a straight line from our unusual viewing position.
WinterKeptUsWarm对于大多数EP来说走的是中间路线。 既不沉浸在极简派之中太过沉静地神游其中，也不会太吵闹或太复杂而导致不适合“简单听听”。
Winter Kept Us Warm takes the middle path for most of the EP, never straying too far to the quiet side and drowning itself in minimalism and never getting too loud or complicated for an "easy listen."
液态电池：图为从中间切开的这种电池早期的原型，可以看到它的两极和里面工作的电解液。
Liquid battery: an early prototype battery has been sawed in half to reveal its electrodes and electrolyte, which are liquid during operation.
斯诺最重要的论点是，正在转变的态度已经在这两大文化潮流的知识分子中间引起两极分化。
Snow's central thesis was that shifting attitudes had caused a polarization between intellectuals of these two great culture streams.
其中，日渐增多的工作移动性——不论是通勤还是会见客户——都使得智能手机和平板电脑在这些上班族中间极受欢迎。
Among these is the increasing mobility of the workforce, whether commuting or visiting clients, which has made smartphones and tablets especially popular with corporate road-warriors.
还有，由于世界时旋转的，因此在赤道稍微膨胀一点，所以在中间比在两极稍微长一点。
What's more, because the world spins, it bulges a bit at the equator, so it is a little bit longer around the middle than around the poles.
离子通过中间的电解液从石墨极流向磷酸极而电子则通过外部的电路流动，由此作有用功。
The ions pass from the graphite to the phosphate through an intervening electrolyte while the electrons make the journey via an external circuit that allows them to do useful work.
并且，在这种两极分化严重的风潮中，走中间路线也不失为保身良策。
And in a climate as polarised as this one, being middle-of-the-road is a good way to get run over.
私有制在最初看来所表现出的无数色层，只不过反映了这两极间的各种中间状态。
The numberless shades, that it at first sight presents, correspond to the intermediate stages lying between these two extremes.
中间横向极块的安排，可以适合磨床工件。
Middle transverse pole arrangement, suitable for milling work.
章动序列计算和地球定向参数测定需要一个中间的天球参考极作参照。
The computation of nutation series and the estimation of the earth orientation parameters (EOP) make use of an intermediate pole.
中间极，二次发射电极一种用于一定电子管作第二次发射电极。
An electrode used in certain electron tubes to provide secondary emission.
不连续变化，间断变化：种群内的变化，在种群里两极之间很少或没有中间表现型。
Variation within a population in which few or no intermediate phenotypes fall between the extremes.
空心光束中间光轴上强度为零，原子就可以被偶极势阱束缚在光强最小处，从而对原子进行控制和冷却。
The atom can be controlled and cooled at the axis by the dipole force where the intensity is minimum.
职位在中间的就像夹在一匹饿极的狼和一只好斗的羊之间，羊群或是狼群，看看他会选择哪一边。
Which means he's one step above me and one below Birch, which is akin to being between a very hungry wolf and a very quarrelsome sheep? Let's see if he stays with the herd or joins the pack.
一部自动扶梯通向书店的中间楼层，这里摆放了玩具和连环漫画书，被称为“极客空间”。
A set of escalators bring to the great span of the bookstore, reaching over an intermediate floor, which houses toys and comic books – the so-called Geek space.
一罕有的中央气体极环这里并不能看到，极环盘旋于靠近星系中间的外侧平面。
Not visible here is unusual central polar ring of gas circling out of the plane near the galaxy's center.
一罕有的中央气体极环这里并不能看到，极环盘旋于靠近星系中间的外侧平面。
Not visible here is unusual central polar ring of gas circling out of the plane near the galaxy's center.
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