LEC是什么意思

The question hasn't been settled___we will build another lec Dear teacher and classmates,It is my privilege to give a lec Dear Mrs.Winthorp,So my first week at college is over!No lec 西班牙语初学问题Antes de aprender una nueva lección repasamos la lec such an informative lecture was it 还是such an informative lec 4、Each parent and child _____ asked to attend one of the lec He p_____ that we should have the discussion right after lec She will go and attend a lecture on science.She will _ a lec 用羧肽酶A水解一个肽发现从量上释放最快的是了Lec,其次是Gly,得此结果推断此肽的C端序列式Gly-lec 虚拟语气语法题1If I had only read all the books before I ( )the lec 安全标准化中风险评价方法有二：LEC和JHA,其中每个字母的英文原单词是什么? LEC评价法中D=LCE,请问其中D、L、C、E的英文全称分别是什么?