I dismounted and began to push my bicycle up the hill.我从自行车下来,开始推着上坡.The first stage is push pull forward converter second stage is a dual buck inverter ( DBI ).该静止变流器前级采用推挽正 激式 变换器,后级采用双降压式逆变器.He tried to push the amend...
Abiotic environment The nonliving factors of the environment that influence ecological systems.影响生态系统的非生物环境因子.The minimum instream ecological water demand is the epiboly value of each instream flow quantity.河道内各项需水量的外包值为...
把电影胶片或幻灯片转换成视频应该不费吹灰之力。Transferring cine film or slides to video should be a doddle.他在讲演中使用了探险时拍摄到的幻灯片。His lecture was illustrated with slides taken during the expedition.光指示器经常与幻灯片放映机一起使用.A light pointer is often useful...
These steps , known to microbiologists as Koch's postulates, were established in the 19 th century.这些微生物学家称之为柯赫氏法则的步骤确立于19世纪.Almost all of the techniques that microbiologists use are customized for life as we know i...