Keywords multimedia network teaching; network courseware; didactical resource.[关键词]媒体网络教学; 网络课件; 教学资源.The Computer - Assisted Instruction [ CAI ] has long been proved is an effective didactical means.计算机辅助 教学,作为一种新型的教学手段...
介绍了自动倒角机的系统组成、主要设备及功能.The construction composition and functions of this machine were introduced.型型台式 高速 复合倒角机.High - speed desktop type compound chamfering machine.为了清除棒材在生产过程中产生的端部毛刺、飞边等缺陷,研制开发了棒材自动倒角机.An automatic rad...
Dirac's theory also predicted a negatively charged sister for the proton, called the antiproton.狄喇克的理论还预言有一种质子的姐妹粒子,带负电荷, 叫做反质子.Similarly the positively charged proton has a negatively charged antiparticle, the anti...
Hysteretic linear include linear stiffness and the linear damp.迟滞非线性包括了非线性刚度和非线性阻尼.This combination process is called the assemblage of stiffness matrices.这种组合的过程称为刚度矩阵的装配.Three fundamental cloth properties determine the...
更有到处可见的友善的加纳人,他们以此而感到自豪.And everywhere, the friendliness that Ghanaians take pride in.如果她是瑞典人或是加纳人就不会受到任何关注.If she was Swedish or Ghanaian it would get little attention.但是这个23 岁 的加纳人认为这些指责并不公平.But the 23 - year - old Gha...
行李员领班扣留了所有人的小费。The Head Porter was keeping all the tips.这儿的领班负责20个工人.The foreman here is in charge of twenty workmen.很快领班来了.Soon the headwaiter comes....