1) Very intimate
腹背相亲
2) Moina affinis (Crustacea:Cladocera:Moinidae)
近亲裸腹
1.
By the methods of experimental ecology, this paper studied the effects of different salinity (0, 1, 2, 3, 4, 5) on the survival, growth, and reproduction of Moina affinis (Crustacea: Cladocera: Moinidae) at 25 ℃±0.
为了解淡水枝角类对海水盐度的适应性,在实验室内采用种群实验生态学方法研究25℃±0·5℃恒温条件下不同盐度(0、1、2、3、4、5)对近亲裸腹(Moinaaffinis)生存、生长和生殖的影响。
3) The mutiny of faithful associates
亲信背叛
4) back web member
背部腹杆
1.
The effect of the joint stiffness of back web members on the dynamic characteristics of the mast system for oil drilling is investigated by analyzing a real mast of the type ZJ20.
以一个实际井架 (ZJ2 0 )作为算例 ,探讨了背部腹杆联接刚度对“П”型井架系统动力特性的影响 ,研究了背部腹杆节点在空间铰、柱形铰和刚性三种理想联接方式下井架系统的动力特性 ,给出了前 6阶模态和自振频率。
5) dorsiventrality
背腹极性
6) dorsal abdominal artery
背腹动脉
补充资料：腹背
1.指前面和后面。 2.比喻关系切近。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条