两侧不对称的

The female was mainly characterized by symmetrical convex gential segment, the same thorn length on either sides of the fourth sections, and no serrated ridges on the third section in the fifth thoracic appendage. No convex on the left side and long hook-like tip were found in the fifth thoracic appendage of the males.

其主要特征是：雌性生殖节左右两侧的凸起对称，雌性第五胸肢的第四节末端刺毛左、右肢等长，第三节刺毛的外缘不具锯齿；雄性第五胸肢基节左侧不具突起，末端节也不具有长钩状突起。

Polypodioideae are morphologic uniform; they are monolete, bilaterally symmetric, ellipsoidal in polar view, bean-shaped in equatorial view, and with or without perispore. The surface ornamentation is regularly verrucate.

研究结果表明，该亚科植物孢子形态较为一致，均为单裂缝，两侧对称，极面观为椭圆形，赤道面观为豆形，具周壁或不具周壁，外壁正面观均为较整齐的疣状纹饰。

The research that the of transverse gallery results in the increase of local deformation near the crossing of the transverse with obvious growth of tension stress zone as well as the high stress concentration effect around the intersection of .

通过采用三维有限元数值模拟主隧道与横通道组成空间复杂交叉结构的施工过程，得出横通道施工将导致交叉部开口一侧结构变形不对称增加，围岩拉应力区显著增大以及交叉连接部两侧应力集中的施工受力特征。

A: There are no planetary alignments in the next few decades, Earth will not cross the galactic plane in 2012, and even if these alignments were to occur, their effects on the Earth would be negligible.

答：在今后的几十年当中，不会出现行星排成一条线的情况。2012年，地球也不会跨过银道面（译者注：银道面就是银河系的主平面。银河系成员如恒星、尘埃云及气体等，绝大部分都对称地分布在这个平面的两侧。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失