Dr. Williams instructs us in botany.威廉博士教我们植物学.The first of these in the field of botany were the herbals.在植物学领域,这些最早的著作是本草书.Medicine began to turn away from botany in the scientific revolution of the 17th and 18th centu...
An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩....the corruption that pervades every stratum of the country...渗透到社会各阶层的腐败An aquifer is a water-bearing rock stratum such as...
The noise of plasma laser interferogram is removed with binary wavelet transform.采用二进小波变换消除了等离子体激光干涉图象的噪声.The phase information of aspheric surface is evaluated by Hilbert transform only from one interferogram.同时,本论文也论述了...
Stars appeared everywhere, spinning round and round, faster and faster.满眼金星乱转，而且越转越快。Its profits are rising four times faster than the average company.它的利润增长速度比一般公司快4倍。He was over a second faster than his previous best t...