经济学家看重的是可测定的量——岗位数量、人均收入等。Economists emphasize measurable quantities — the number of jobs, the per capita income.电极测定的是特定的离子形式而不是络合形式.Electrodes measure specific ionic species and not complexes of the species.一种直接测定的方法就是...
The mind wanders forth on far journeys and returns with sheaves of withered and departed joys.思绪转回遥远的过去,带回几束业已干枯的残花,那些消逝的欢乐.We want to recreate the romance and excitement that used to be part of rail journeys.我们想再度营造以前坐火...
你觉得谁会代替她参加这场演出？Who do you suppose will replace her on the show?加收了10%的服务费以代替小费。A 10 percent service charge is added in lieu of tipping.煮熟的红芸豆可以代替四季豆。Cooked kidney beans can be used in place of French beans....
Objective: This HPLC method is to determinate the purity of benzo - macrocyclotetraamide NaFe.目的: 采用高效液相色谱法测定苯并大环四酰胺钠铁的纯度.Objective To synthesize 2 - ( 4 - methoxypheny ) - 6 - methoxy - benzo [ b ] thiophene.摘要目的合成目的产物 ...