RAII
- abbr.Regional Association for Asia （世界气象组织）第二（亚洲）区域协会
RAII-
In contrast , the C + + idiom of RAII automatically acquires and releases resources and is less error prone as the programmer needn 't write any additional code .
相反，RAII这个C++术语自动获得和释放资源，而且不容易出错，因为编程人员不需要编写额外代码。
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Because of the current along two rails in this kind of track circuit flows in the same direction , so it is called the Unidirectional Transmission Track Circuit ( or Single RaiI Cab Signal ) .
本文建立了单向传输轨道电路的基础理论，并由此揭示出这种轨道电路中钢轨电流分布的内在规律。