there are 39 U. S. -owned ones and there are 10 that are owned by other countries. The buoy has nothing to do with the measurement;

该项目设置了很多深海浮标，其中的39个为美国所有，其他10个为其他国家所有。

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The repeatability accuracy of the U-shaped parallel tracking platform is validated in this paper by two-CCD compound measurement.

本文采用双c CD组合测量方法对马鞍型并联跟踪台的运动重复性精度进行了实验验证。

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In particular, recently the burst of the U. S. sub-prime mortgage crisis to the security market also contributed to a great shock, so the measurement of the market risk has raised more concern.

特别是近期美国次贷危机的爆发给证券市场造成了巨大震荡，证券市场的风险测度问题更加引起关注。

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The adjective "sole" has become a key measurement in diplomatic circles where U.S. nuclear forces have long been seen as an impediment to stopping nuclear proliferation.

WSJ: U.S. Keeps First-Strike Nuclear Strategy

Measurement has already shut down its operations in the U.K. and sold its Milpitas, Calif. sensor-manufacturing plant at the end of July.

FORBES: Magazine Article

Virginia Burkett is the scientist at the U.S. Geological Survey who has analyzed the ground-based measurement of subsidence.

NPR: Satellite Imagery Shows a Sinking New Orleans