针对性

motion prescription has security, effect, pertinency, teleonomy in lifelong sports, is the concrete measure carrying out the physical fitness plan for the entire population, has important significance in sports for the entire people body-building.

运动处方在终身体育中具有安全性、效果性、针对性、目的性，是实施全民健身计划的具体措施，在全民体育健身中有着重要的意义。

Nearly 1.5 million 10 to 18-year-olds will have been entered on the national DNA database by this time next year, sparking claims that Britain's youths are being criminalised and disproportionately 'targeted'.

近150万10至18岁的青年将被记入全国DNA数据库，在明年这个时候，闪烁着称，英国的青少年是被视为犯罪行为，并不成比例'针对性'。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。