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请简述性能数据上报机制。

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请画出OMC的物理架构和逻辑架构，并简要说明逻辑架构中各模块/单元的功能。

门电路心血池显像，探头将左右心室分开的最佳角度一般为

ANT
B. LAO10°-LAO20°
C. LAO30°-LA045°
D. RAO20°-RAO30°
E. LPO30°-LPO450

The outside diameter of the pipe is _____ the diameter of the bore of the piston rod, the

A. less than
B. greater than
C. equal to
D. twice larger than

The space between cylinder liner and jacket is called ().

A. the cooling space
B. the cooler
C. the cooling water