当天文学家用这种方法从地球上观测到一颗恒星在另一颗恒星前“走过”时,距地球较近的这颗恒星的重力就如同一个镜头,将较远的那颗恒星的光弯曲并放大。
In this method, when one star passes in front of another, as seen from Earth, the nearer star's gravity ACTS like a lens, bending and magnifying the more distant star's light.
这是因为,9月18日《科学》杂志的一篇文章解揭示了蝗虫那柔性的、拍动的翅膀在弯曲和扭转时,如何为它的超长距飞行提供动力。
That's because the bends and twists in locusts' flexible, flapping wings power the insects' extraordinary long-distance flights, a Sept. 18 Science paper reveals.
有一只山羊实验侧螺纹钉出现弯曲,为股骨距处螺钉。
The curved screw at the femoral calcar was found in the experimental side.
船舶在波浪中航行时,船体总弯曲变形会使沿船体纵向布置齿轮机构的轴承支座中心距产生缩减。
When sailing in waves, ship hull total bending deformation will reduce the center distance of gear backing radially arranged in ship hull.
由断层作用造成的地层缩短量等于水平断距;由褶皱造成的地层缩短量等于褶皱弯曲部分的长度减去弯曲剖分的水平距离。
The shortened part due to faulting is equal to horizontal fault throw, and the shortened part due to folding is the difference between a curved formation length and its corresponding "span".
针规适用于机械加工中孔径、孔距、内螺纹小径的测量,特别适于弯曲槽宽及模具尺寸的测量。
The pin gauges are used to measure the hole distance, the pitch diameter of the thread, etc.
针规适用于机械加工中孔径、孔距、内螺纹小径的测量,特别适于弯曲槽宽及模具尺寸的测量。
The pin gauges are used to measure the hole distance, the pitch diameter of the thread, etc.
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