periodic什么意思？

periodic的音标：periodic的英式发音音标为：[ˌpɪəri'ɒdɪk]periodic的美式发音音标为：[ˌpɪri'ɑdɪk]...

The microstrip log periodic antenna was discussed and analyzed.讨论和分析微带对数周期天线.Two periodic jackknife, be helpful for national economy growing quickly continuously.两个周期的重叠, 有利于国民经济持续快速增长.The motion is periodic, which means...

Long long ago, we knew the periodic motion of a planet.很久以前, 我们就知道行星的周期运动.Periodic checks are taken to ensure that high standards are maintained.定期检查以确保维持高水准。Some commercial laboratories use periodic nitrate tests as gui...

本实用新型公开了一种握柄可转式钢锯.The utility model discloses a grab handle rotatable hacksaw.钢锯 、 锉刀怎么用?Hacksaw, how to use file?钢锯有点弯曲.There was a buckle in the metal saw....

The freethinker hated the formalist ; the lover of liberty detested the disciplinarian.自由思想者总是不喜欢拘泥形式者,爱好自由者总是憎恶清规戒律者.The freethinker hated formalist; the lover of liberty detested the disciplinarian.总是不喜欢拘泥形式者, 爱好自由者总是憎...

“横隔膜”的英语可以翻译为：diaphragm ...

The more the - ier, the fewer the better fare.人越多越快乐, 人越少吃得越香.The more you look at the animals, the ha ier you will become.你越喜欢看动物, 你将越变得快乐....

Fig 2 . Open - window envelopes, showing receivers'names & addresses, may inaugurate repeated printout.图 二: 使用开窗式信封来显示收信人的地址和姓名是重复打印的悲剧的开始.Manufactories are now making more and more civilian GPS receivers.制造商现在生产越来越...

Many policies pay out only after a period of weeks or months.很多保单在几周或几个月后才得以赔付。You pay regular premiums and in return the insurance company will pay out a lump sum.你定期支付保险费，而保险公司则会一次性给你一笔钱作为回报。Having to pay out unexpecte...

cringed的音标：...

n.隆线，隆突...

uncover的第三人称单数（三单）为：uncovers...

The kinetics of esterification of linalool with acetic anhydride was studied.研究了芳樟醇与乙酸酐酯化反应动力学.CONCLUSION The main constituents are E - ocimenone and Linalool.结论柳茶的主成分为E - 罗勒烯酮和芳樟醇....

为什么不给所有的镜头都配上遮光罩呢？Why aren't all lenses supplied with a lens hood?因此我们得制作一块很大的遮光窗帘。We therefore had to contrive a very large black-out curtain.那网球裁判戴着遮光帽檐.The tennis umpire wore an eye - shade....

slumming的音标：...

We can offer Saudi Crude oil ( from ARAMCO ).我们可以提供沙特原油 ( 由美 )....

他把小麦茬子堆在了田埂边上.He piled the wheat stubble along the ridge of the fields.我们坐在田埂上休息.We had a rest on the ridges.蜘蛛在稻田的密度在田埂种豆或蓄草条件下增高.When field bunds which planted soybean or kept weeds, spiders density increased in rice f...

但是近些年杂色的马海毛用量也增长.But the appeal of mixed - color more mohair has grown in recent years....