Photos taken bycompact cameras are often dark because they're slightly underexposed.
袖珍相机所拍的照片往往比较暗，因为存在轻微的曝光不足。
2
The analysis showed that the model was characterized bycompact credential structure, supporting anonymous access and single login on.
分析表明，该模型具有简洁的证书格式、支持匿名访问、单点登录等优点。
3
The results of an example show that the optical automatic alignment system is featured bycompact construction, lower costs, and higher precision and so on.