lin yutang, a great master of chinese culture and first nominee for the nobel prize for literature, thought that the only single book that is crucial to understand the chinese behavior and characters is __________.
电动机的旋转运动是如何转换成工作台的直线往复移动的?
岩体的赋存环境对岩体的力学性质有重要的影响,其赋存条件不包括()。
the great wall stretches from ____________ in liaoning province to _____________ in gansu province.
the murals in mogao grottoes are valued for the scale and richness of the content.
tao is at times characterized as the ________ of all things, even prior to heaven and earth.