A rigid machine frame combined with reinforced bearing bolts and low-maintenance toggle jacks stands for high precision, low-maintenance requirements and a long service life.

机器框架刚性好，增强的轴承螺座和低维护机铰连杆是高精密、低维护和长使用寿命的代表。

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The coordinate reference datum on which precision GPS survey is based, is ITRF International Terrestrial reference Frame that IERS offers.

高精度GPS测量所依据的坐标参考基准，是由IERS所提供的ITRF国际地球参考框架。

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And that also provides the theoretical basis and reference data for the design and improvement of the mill frame and the rolling precision.

为轧机机架的设计、改造、以及提高轧制精度提了供理论依据和参考数据。

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This week at the New York International Motorcycle Show Ducati also unveiled the 848 Evo Corse Special Edition for the first time ever in the U.S. The bike has Ducati-developed electronics like traction control and quick-shifter features, with the trademark Trellis frame, precision shock absorbers and high-end disc brakes.

FORBES: Ducati Up 43 Percent As North America Becomes Its Top Market

That may sound taxing to detect, but it is nothing compared with the precision required to measure frame-dragging.

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