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The calculation results of some examples are given. In the unstratified case, the cake cross section at any point is circular. When the flow is stratified, buoyancy cause the wake, which initially grows at the same rate in all directions, to collapse in the vertical direction and flatten out horizontally producing a very wide and thin rectangular shape.

在稳定层化海洋中，潜艇尾流以圆锥形增长；在非层化海洋中，初期尾流也以圆锥形增长，但在浮力作用下，尾流垂向增长崩溃，然后以又薄又宽的近于矩形截面增长，最后垂向尺度趋于常值。

Noticeably, after long time sediment and stabilization, the soil structure, soil water content and the vegetational cover conditions of subsidence area are tend to those of nature area. Although abundant water support is unable, it is favor to the sand plant for maintain their growth.

值得说明的是，塌陷稳定区经过长时间的沉压、密实后，其土壤层结构、土壤水分含量等性质以及地表植被覆盖程度均越来越趋近于未塌陷区，对于沙生植被而言，虽得不到充分的供水条件，但仍能维持其生长。

Nearly 70%of X.tropicalis GPCRs are represented by three types of receptors thought to receive chemosensory information from the outside world: olfactory,vomeronasal 1 and vomeronasal 2 receptors.

3不管是从受体的种类还是数量来看，热带爪蟾中的G蛋白偶联受体更趋近于高等动物，兼有水生和陆生特点，表现出从水生到陆生的过渡形态。

The reason caused the low ratio of reclamation and utilization of steam-condensed water which wastes our waterhead and resources is economy, especially the application of the techniques.

如何处理和利用这些具有经济价值的冷凝水，是一个多年的课题。1 冷凝水回收问题产生的原因首先，用汽设备排放大量的冷凝水是近于蒸

The officer had been resting in the full conviction that there were other troops in front of him, and that the enemy could not be less than ten versts away.

团长满怀信心，自以为前面还有部队，敌人不会盘踞在近于十俄里的地方。

The principle and method to measure directly the main flow velocity of liquid steel ina 60 tons argon-stirred ladle by a probewere introduced in the paper.

本文介绍利用紊流下形阻系数近于常数的条件，对60t吹氩钢包内的主流股流速进行实际测量的原理、方法和结果。

His account of what happened approximated to the truth.

他就发生的事情所做的说明近于实情。

His description of what happened approximated to the truth, but he made a few mistakes

他对所发生的事的叙述近于实情，但有几处错误。

His description of what happened approximated to the truth, but he made a few mistakes .

他叙述所发生的事近于实情，但还有少数错误。

The results showed that the ultrastructure of mitochondrias had various changes, the mitochondria membrane and cristae swelled.

叶绿体被膜和片层结构仍保持完整，仅有部分叶绿体的片层排列方向发生改变，由原来平行排列扭转为近于垂直排列。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。