The influences of system structural parameters such as source pressure, suit volume and valve Angle were also discussed.

给出了模型的一般型式，同时分析了气源压力、阀门安装角、抗荷服容积等系统结构参数对模型的影响。

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One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.

误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。

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A recent survey by China Youth Daily found that jobs are the major source of pressure for about 60 percent of college students.

最近，《中国青年报》的一项调查显示，约60%大学生表示压力主要来源于工作。

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The best source of pressure is the knowledge that there may never be a better chance than now.

ECONOMIST: Cyprus, Turkey and the European Union

Nor is legislation the only source of pressure.

ECONOMIST: History in California

The greatest source of downward pressure on South-East Asia's currencies comes from local firms desperate to service their foreign debts.

ECONOMIST: Asian currencies