A computer would have been invaluable for this job.一台计算机对这个工作的作用会是无法估计的。The book is an invaluable aid to teachers of literature.这本书对于教授文学的老师来说帮助非常大。If you are a regular reader of Homes & Gardens you will know what an inv...
Two symposia are scheduled for the ESC Congress 2007 on this subject.在这个领域,两个会议被安排在2007ESC大会上.Moreover, the coordinator participated in four international conferences and symposia, gave talks or showed papers.此外, 项目执行期间,...
一般说来, 力和通量可以具有不同的张量特征标.In general, fluxes and forces may have different tensorial characters.类似于压力的量称为2阶的张量.Quantities like stresses are called tensors of rank 2.这意味着建立本构方程必须采用张量符号.This means that constitutive equations ...