select vt. 选;选择;挑选;选拔。 Her father let her select her own birthday present. 她的父亲让她自己挑选生日礼品。 vi. 挑选,选择。 adj. 1.挑选出来的;精选的;极好的。 2.〔口语〕爱挑三拣四的;挑剔的。 3.苛择的;入会条件苛刻的。 a select crew 一批精选的水手。 be select in choosing one's friends 择友谨慎。 select wines 精选的酒。 n. 1.〔口语〕精选品;顶好的货色。 2. 〔常 pl.〕被挑选者。
On subject selecting plan for scientific and technological books 试论科技图书的选题策划
Based on design requirements and units widened principles of coal powder system of 2 x 300mw in lai cheng power plant , this dissertation specially conducts comparison among the two selected plans , and recommends a optimal plan 本论文就莱城电厂一期工程后两台( 2x300mw )机组制粉系统,根据设计要求和扩建原则,对拟订的两种方案进行比较论证,推荐出较优化的方案。
Functions of the correlative analysis , multiple linear regression method and stepwise regression method in identifying environment - affecting factors were compared . with baiyin city of gansu province as an example for analysis , the three methods were used to identify environment - affecting factors of heavy metal pollution of the soil - crop system in the suburbs of the city . based on results of the experiment , indexes were proposed for selecting plans for remedying contaminated soils in the region under research 我国北部中小城市采暖锅炉的使用比较普遍,锅炉烟尘监测仍然是一项主要的大气污染源监测之一.该项监测必须具备一定的专业技术知识和实践经验,初学者不易全面掌握.结合多年的监测实践经验,阐述监测采样中的一些问题和对异常情况的分析
Abstract : taking the project of xi " an training center of finance cadre as an example , an idea about selecting plans of ground treatment on intricate field in the collapsible loess district is expounded , the process of selecting plans of ground treatment in connection with the project of xi " an training center of finance cadre is introduced . the reverse silting of the compacting hole on wet soft loess field is discussed tentatively in view of its mechanism 文摘:以西安市财政干部培训中心工程为实例,论述了湿陷性黄土地区复杂场地地基处理方案的选择思路,介绍了该工程地基处理方案的选择过程,对湿软黄土场地的挤密孔回淤现象进行了机理探讨。
Functions of the correlative analysis , multiple linear regression method and stepwise regression method in identifying environment - affecting factors were compared . with baiyin city of gansu province as an example for analysis , the three methods were used to identify environment - affecting factors of heavy metal pollution of the soil - crop system in the suburbs of the city . based on results of the experiment , indexes were proposed for selecting plans for remedying contaminated soils in the region under research 随着我国汽车保有量的不断提高,汽车排放污染物对大气环境的影响已经引起人们的广泛重视,并采用各种各样的方法进行治理,国家有关部门也为此制订了相关的标准和法规.本文简单介绍汽车排放污染物及其检测方面的基本知识
Functions of the correlative analysis , multiple linear regression method and stepwise regression method in identifying environment - affecting factors were compared . with baiyin city of gansu province as an example for analysis , the three methods were used to identify environment - affecting factors of heavy metal pollution of the soil - crop system in the suburbs of the city . based on results of the experiment , indexes were proposed for selecting plans for remedying contaminated soils in the region under research 通过对安徽省辖淮河流域7月份汛期的水质监测结果进行主要污染物浓度及流量之间的变化趋势初步分析,结果表明,汛期淮河流域整体水质状况有所改善;干流污染物浓度与流量存在相关.汛早期受面源污染影响较为明显,中、后期受点源污染为主;支流污染物浓度与流量之间相关不显著,主要受点源排污影响