|
Four,five and six ring PAHs have greater carcinogenic potential than do two,three or seven ring PAHs.
|
|
|
四，五和六环多环芳烃比二，三和七环的多环芳烃有更强的致癌作用。 |
|
Four-Point Probe - Test equipment used to test resistivity of wafers.
|
|
|
四探针-测量半导体晶片表面电阻的设备。 |
|
Four-cloumn universal hydraulie press is used in pressing technology of plastic materials,such as click folding turn up.seretching of sheet metal and canbe also used in correetion pressed install,forming of grinding wheel and cold-coining metal fittings a
|
|
|
四拄式万能液压机适用于塑性材料的压制工艺，如冲载、弯曲、翻边、薄板拉伸等，也可以从事于校正、压装、砂轮成型，冷挤金属零件成型，塑料制品及粉末制品压制成型工艺。 |
|
Four-color film and proof must be submitted by the deadline date.
|
|
|
在杂志广告截止日期前提供四色菲林及彩色打样。 |
|
Four-fifths of the 126 businesses - which employ almost half a million people in the capital - said they expected to run into further shortages over the next six months.
|
|
|
在126家企业中，有五分之四表示，它们预计未来6个月会面临进一步的人才短缺--这些企业在伦敦雇佣着近50万人。 |
|
Four-member ring and six-member ring mechanisms have been studied, both of which have three reaction paths with the main path through two-step transition state.
|
|
|
探讨了四元环和六元环机理，其中每种机理有三种途径，主要的途径是经过过渡态的两步反应途径。 |
|
Four-poster bed, 101 years old. Perfect for antique lover.
|
|
|
四个脚夫的床，101年旧，喜爱古董者的佳选。 |
|
Four-sided faces only work well if the Face is pretty much flat (all points lie within one imaginary plane) and convex (the angle at no corner is greater than or equal to 180 degrees).
|
|
|
四边面只有在面是非常平整并且是直角的时候工作才是最好的（也就是四点处同一平面上）。 |
|
Four-wheel drive by lightweight, efficient toothed belt.
|
|
|
轻量化四轮驱动，方齿皮带。 |
|
Four-year colleges and universities have advantage of mailer resource, human capital and good social fame to conduct higher vocational education, hut they have also problems of running school orientation deviation, teachers' team construction lagging and
|
|
|
摘要本科院校举办高职教育具有物质资源、人力资源、社会声誉等优势，但也存在着办学价值取向有偏差、定位不准确、师资队伍建设滞后、高职教育特色不明显等问题。 |
|
Four-year university degrees are an international norm.
|
|
|
四年制大学是国际间的主流。 |
