The polynucleotide chain is helical.多核苷酸键是螺旋形的.In a globular protein, certain portions of the chain are coiled into helical segments.在球状蛋白中, 链的某些部分被盘成螺旋状.Two types of viral symmetry have been recognized, the cubical symm...
Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.已经证实病毒有两种对称型, 即立体对称和螺旋对称.The polynucleotide chain is helical.多核苷酸键是螺旋形的.The high laevorotation of L - cystine depends on a speci...
The doctor administered some medicines to his patient.医生给了他的病人一些药。A booster does of tetanus toxoid and penicillin should be administered.给予破伤风类毒素加强剂与青霉素.An oath was administered to the newly elected President.新当选的总统执行了宣誓...
弓箭手拉紧弓弦将箭瞄准靶子.The archer strung his bow and aimed an arrow at the target.弓弦绷得很紧.The bowstring is stretched taut.拉得太紧, 弓弦就会断.If a bow - string is too taut, it will snap....
Marconi now found that he could transmit Morse Code signals.他现在可以用它来发送和接收莫尔斯电码了.This third demonstration was naturally a very important one for Marconi.当然,这次实验对马可尼来说十分重要.We owe it to Marconi and Bell that we can now talk...
Straw passes aerification to furnace issues incomplete combustion in anoxic condition and arise it.它是秸秆通过气化炉在缺氧状态下不完全燃烧而产生的.The neurons are the most sensitive cells to anoxic injury.神经元是对缺氧最敏感的细胞.Nitrate can be used by f...