b and中文什么意思

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• b:     a B picture ...
• a b:    酸枣仁皂甙
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例句与用法

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1. A group founded by a and b will be different in character from a group consisting of the same members but founded by b and c .
   由A和B组成的集团在性质上不同于由同样数目的成员B和C所组成的集团。
2. This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress-free plane-convex lenses a and b and a diaphragm c having a small aperture .
   此装置称为锥光镜，如图142所示，它由A和B两个无应力平凸透镜和一个带小孔的光阑C组成。
3. Vitamin b and c could strengthen one ' s immunity
   维生素b和c可以增强人的抵抗力。
4. Vitamin b and c help to build up you resistance
   维生素b和c可以增强人的抵抗力。
5. Vitamin b and c can enhance peoples ' resistance
   维生素b和c可以增强人的抵抗力。