In this paper, the current periodic inspection regulation system for pressure vessel and pressure piping in China is briefly introduced, comparing to related API standards and codes and RPs.

简要介绍了我国现行压力容器、压力管道定期检验规范体系，并与相应的API规范进行了对比分析。

youdao

Periodic Reviews examine, qualify, and quantify current performance for the Initiative, and continuing conformance to plans and expectations in multiple dimensions.

定期评审分析、限定，并量化计划的当前性能，及对多方面的计划和预期结果不断地顺应。

youdao

Typical smart meter designs include periodic transmission of current, phase, and frequency data from the user to the electricity distribution company.

典型的智能度量设计包括来用户端的电流、相位和频率数据向电力调配公司的周期传送。

youdao

Mackail-Smith's body alignment issues put pressure on his hips, resulting in periodic niggles such as his current groin problem.

BBC: Mackail-Smith aims for game time

Where, a local search and coupons service, introduced a service that sends users periodic text messages with deals around their current location.

FORBES: The "Walk Past A Starbucks, Get A Coupon Sent To Your Phone" Cliche Is About To Become A Reality

Tidal current: movement of water in a constant direction caused by the periodic rising and falling of the tide.

UNESCO: L O S S A R Y