而开普勒行动则存在截然相反的问题：它能通过一个行星的遮光情况测出它的体积，却不能得出其质量。
The Kepler mission has the opposite problem: it can measure a planet's size, by how much starlight it blocks, but not the mass.
这种被称为“太空行动飞行器”的太空飞行器，将是一种运货工具，可以装载各种重量的负荷，体积不比航天飞机大。
That spaceplane, known as the space Operations Vehicle, will be a cargo carrier that can lift a variety of pay loads and probably won't be any bigger than the space shuttle.
轻，高弹性的材料提供出色的舒适性和充分的行动范围，降低包装的重量和体积。
The light, highly-elastic material offers excellent comfort and full range of movement and reduces weight and packed volume.
从传热学角度对高性能大体积混凝土内温度场进行动态分析，并建立了符合实际的数学模型。
In the paper, dynamic analysis of temperature field in mass concrete has been worked out and mathematical model has been drawn up from the heat transfer.
由于都市化带来的影响，体积较大的动物现时已难得一见，但爬行动物、两栖动物、雀鸟及昆虫则仍然常见。
Under the pressures of urbanisation, larger animal species are rarely seen, but reptiles, amphibians, birds and insects are still common.
研究分享#【水下机器人的未来】新加坡的科学家目前研制出像鳗鱼的机器鱼原型，可以远程控制，体积小，非常智能，能够在水下自主行动。
Scientists have developed and built a prototype for an eel-like robotic fish to be operable remotely, small, sophisticated and intelligent enough to operate autonomously underwater.
研究分享#【水下机器人的未来】新加坡的科学家目前研制出像鳗鱼的机器鱼原型，可以远程控制，体积小，非常智能，能够在水下自主行动。
Scientists have developed and built a prototype for an eel-like robotic fish to be operable remotely, small, sophisticated and intelligent enough to operate autonomously underwater.
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