The effectiveness of pressure seals in the subsurface may be evaluated by making a calculated fluidpressure profile of the overlying shales . 在地下，压力封闭的有效性可以通过计算上层页岩的流体压力剖面来估计。
The head of each division was responsible in detail for all aspects of his operation, and was constantly scrutinized by top management . 各部门的领导对他分管的所有方面负有全面责任，并时常受到上层管理机构的检查。
Since about 1840 the cultural elite in america had pretty generally rejected the values and activities of the larger society . 大概从1840年以来，美国有文化的上层分子就已经相当普遍地把广大社会的价值准则和活动给否定掉了。
Twenty minutes later the gloucester, hit by several bombes, was brought to full stop, badly on fire, and with her upper deck a shambles . 二十分钟后，“格罗斯特”号连中炸弹数枚，立即停航，舰上烈火熊熊，上层甲板尸骸枕藉。
In the higher classes, a damsel, however giddy, is still under the domination of etiquette, and subject to the surveillance of mammas and chaperons . 在上层社会里，一个未婚少女尽管很轻浮，也得受礼节的约束，还有母亲和嬷嬷们的监护。
Subtle and disciplined, warm in his demeanor while wary in his conduct, dobrynin moved through the upper echelons of washington with consummate skill . 多勃雷宁机敏而又训练有素，态度温和而行动谨慎，他以炉火纯青的技巧往来于华盛顿的上层社会。
He had spent the 1960s in command positions, which, while not without the frustrations, did not produce the physical and psychological exhaustion of high-level washington . 在六十年代，他担任指挥官职务时虽然不是没有挫折，但是却没有产生华盛顿上层人士那种生理上和心理上的心灰意冷。
You must not stand on the steps or the upper deck 不可在电车的梯级或上层站立。
He is liked by the classes and the masses 上层社会的人士和普通的民从都喜欢他。
This part of town is where the upper class live 镇上这个地区是上层阶级的人住的。
