P点和Q点分别表示该质点的两个位置.Points P and Q represent two positions of the particle.碰撞并不往往使质点减速.Collisions need not always act to slow particles down.我们可标记占据某个小领域的质点群.We label a group of particles occupying a small neighbourhood....
There is no such thing as a great talent without great will - power. -- Balzac没有伟大的意志力，便没有雄才大略。 -- 巴尔扎克Here is the territory of a Balzac.这是巴尔扎克的领域.Many characters in Balzac's " Human Comedy " figure in more than one...
The savage civil war there could be a portent of what's to come in the rest of the region.那里发生的野蛮内战可能预示这一地区其他地方将会发生什么。One encouraging portent is that more people are using the railway network.使用铁路运输线的人数在上升,这是个好兆头.Be...
啤酒罐子是圆筒形的.Beer cans are cylindrical.这种地下建筑物设计成半圆筒形的.The underground buildings are semicylindrical in design.采用方形坯料深拉延圆筒形件是一项新技术.With square blank to draw cylinder is a newly technology....
The tracer is distributed in a nearly normal fashion.示踪剂的分布接近正态分布的样式.Tracer techniques give information about structure and reactions in solid state physics.示踪法技术在固态物理学方面给出有关结构和反应的信息.This solute will be referred to as a ...