英德
有道
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图片
维基
百科
长球面 [cháng qiú miàn]
[天][数] prolate spheroid
prolate ellipsoid
prolate ellipsoid
- 对称形球面滚子轴承较非对称形有着承受更大轴向负荷能力和较长使用寿命。
The symmetry form surface of sphere roll to compare with not symmetry form, the sub- bearings have to bear the larger stalk toward the burden ability and longer service lifes. - 整个球面都可为密封，使用寿命很长，能抗水击，没有易损件，无故障，经久耐用，无蒸汽泄漏。
For the entire spherical surface can be sealed in a very long service life, resistant to water hammer, there is no wearing parts, trouble-free, durable, non-steam leak. - 来自恒星的辐射和星云风创造出了炽热的尘埃云，从而展现出复杂的结构，紧凑的球面，长而细的丝。
The radiation and winds from stars create glowing dust clouds that exhibit complex structures from compact, spherical globules to long, stringy filaments.
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