常見例句雙語例句Duration measures the length of time or persistence of the disk errors plus recovery time—or, "How long is this going to hurt?"持續(xù)時間 所量度的是磁盤錯誤持續(xù)的時長和恢復(fù)時間,即 “這傷害將持續(xù)多久?”The elastic property of DNA is characterized by the elastic rod and filament approximately when its length is almost equal to the bending persistence length.當其長度和剛性長度相近時,其彈性性質(zhì)可以由彈性桿或彈性細絲來近似描述。The flexibility and persistence length of DNA chains have been changed after adding ions in solution, therefore, the electrophoretic mobility decreased with increasing of ionic strength;離子效應(yīng)使DNA聚合鏈的撓性增大,末端距與持久長度減小,從而使電泳遷移率隨離子強度的增加而減??; 返回 persistence length