Experimental fact - that many springs — - we call them ideal springs — for many springs, this force is proportional to the displacement, x.

很多弹簧做过实验后，得出的事实-，它们叫做理想弹簧-，对很多弹簧来说，这个力，和移位x成比例。

youdao

Experimental, or unofficial MIME types are denoted with a subtype that starts with, "x -".

还在试验当中或者非官方的MIME类型在二级分类开头会加一个“ x - ”。

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Methods The pig experimental models of pulmonary embolism and infarction were examined by X ray, ventilation perfusion scanning, helical CT, angiography.

方法以小型猪为肺栓塞、肺梗死实验动物模型，进行X线平片、核素灌注扫描、螺旋CT、血管造影检查。

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The Edison2 is an experimental car that was one of the winners of the ten-million-dollar Progressive Insurance Automotive X Prize.

VOA: special.2010.11.17

But the story began in the nineteen forties with the X series of experimental aircraft.

VOA: special.2010.07.07

This appears to be the mindset of the Air Force regarding its experimental X-37B space plane, the billion-dollar robotic vehicle's orbital flight being extended beyond the 270 days it was initially designed for.

ENGADGET: Air Force X-37B space plane books additional time on orbital cruise, orders another margarita

Under the terms of the agreement, Japan will modify an existing F-16 design to produce by the late 1990s a new aircraft, designated the FS-X (Fighter Support Experimental).

CENTERFORSECURITYPOLICY: The US-Japan FS-X Fighter Agreement: Assessing The Stakes

In the wake of his results Roche have begun testing an old class of experimental anxiety drugs called mGluR5 inhibitors in fragile X patients.

FORBES: The Man Behind Biotech's Bold Push For Autism Drugs