long duration test

常见例句

双语例句

• Static mechanical test is a direct approach to obtain these parameters, but it is often difficult because of its heavy equipment, long duration, and high expense.
  然而，静力学试验测试往往是设备笨重、耗时耗力、成本昂贵。
• This paper described a small type drop-test shock machine with long duration of shock pulse. Thispaper analyzed its construction characters, operation principle and wave forms of shock test.
  介绍一种长脉冲持续时间的小型跌落冲击台，并对其结构特点、工作原理、冲击试验的波形进行阐述与分析。

权威例句

• This flight will shortly be followed by another test run to ensure that everything checks out, after which it will begin its first long-duration mission sometime later this month.
  ENGADGET: NASA's unmanned Global Hawk completes key test flight
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