All our aircraft have certificates of airworthiness.我们所有的飞机都有适航证书。Make sure you enclose all the relevant certificates.要保证把所有相关证书都放在里面。There are only two internationally recognised certificates in Teaching English as a Fo...
The association is advising pregnant women, the very young and the elderly to avoid such foods.协会建议孕妇、儿童和老年人不要食用此类食物。His work as a consul-tant consisted in advising foreign companies on the siting of new factories.作为一名顾问...
The energy band gaps of sputtered Cr 03 are approximately 1 . leV ( AD ) and 1 . 4 eV ( HT ).其中第三种溅射铬-氧薄膜(C_ rO3)的能带间隙约 1.leV ( A-D ) 和1.4eV ( H-T ).Ideal is the beacon. Without ideal, there is no secure direction; witho...