operation signs是什么意思

用法例句

Probe into the environment protection during the construction and operation of the highway;

高速公路建设与营运中环境保护问题的探讨

Study on Current Operation of Sports Intangible Assets in China;

我国体育无形资产营运现状的分析

Service evaluation system for expressway operation;

高速公路营运服务质量评价体系

Based on the analysis of factors which have influence of vehicles operation safety,using principle of case-based reasoning (CBR),this paper introduced the CBR into the vehicles operation safety assessment.

在对车辆营运安全影响因素系统分析的基础上 ,运用基于案例的推理原理 ,将 CBR技术应用到车辆营运安全评价中 ,阐述系统的功能结构模型和推理模型 ,并对案例的匹配进行讨论 ,给出车辆营运安全的评价准则 ,并举例说

According to ecological environment destruction and environmental pollution caused by highway construction development the necessity and key points in working of environmental protection in highway construction and operation period are elaborated in detail to meet the construction demands of "ecological highway".

针对公路建设飞速发展带来的生态破坏和环境污染 ,详细阐述了公路建设期和营运期环境保护的必要性和环境保护工作的重点。

Dongying movement in Bohai Bay Basin is an intensely regional tectonic movement occurred during late Paleogene.

渤海湾盆地东营运动是一个范围 广泛、强度较大的区域性构造运动， 处在由盆地的裂陷阶段向坳陷阶段 过渡时期。