The joint size is the extension of the joint plane in space. For the joint Poisson disc model, the joint size can be represented by the disc diameter.

节理大小主要指节理空间延伸范围，对于节理泊松圆盘模型，节理大小可以用圆盘直径表示。

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The first chartered plane took off about nine hours ago, on Wednesday afternoon, also carrying a joint task group and emergency relief materials.

第一架撤离在利比亚人员包机是在周三下午起飞的，比第二架早了9小时，上面同样载着多部门联合工作组和应急物资。

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Hinge joint at elbow allows movement in one plane.

铰链关节—在手肘容许一平面的运动。

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It comes after US authorities started a joint review with Boeing of the plane's manufacturing, design and assembly.

BBC: Boeing Dreamliner investigation ordered by Japan

Lockheed also dreams of a joint venture with Airbus to make the military transporter plane that Europe desperately needs.

ECONOMIST: Transatlantic aerobatics

The members of the 75th Ranger Regiment -- a U.S. special operations force -- were training at Joint Base Lewis-McChord when they jumped from a plane and got entangled in towering evergreen trees that canvass the sprawling military installation between Tacoma and Olympia.

CNN: Army Rangers caught high and dry while parachuting