One metre of fabric is sufficient to cover the exterior of an 18-in-diameter hatbox...一米布足以包裹住直径为 18 英寸的帽盒。Then the fiber collimator is used to acquire parallel beam with appropriate diameter.单模光纤后接光纤准直器能得到我们所需要的合适光斑直径的平...
This hole was a scant .23 inches in diameter.这个洞眼的直径只有0.23英寸。the diameter of a tree trunk树干的直径A diameter passes through the center of a circle.直径从圆心穿过....
The village was formed of semicircle huts.这个村庄是由半圆形的茅舍组成的.He indicated a semicircle with a radius of about thirty miles.他标示出了一个半径大约为30英里的半圆形。a semicircle of chairs摆成半圆形的椅子We sat in a semicircle facing the teacher.我们面对着老师...
每次返回，我都会惊讶于澳大利亚及其国民的与众不同。Each time I returned I was struck by the uniqueness of Australia and its people.你认为选民们会相信总统对国民的炉边演说 吗 ?Do you think the voters will be convinced by the President's fireside address to the na...
Until today germanium is the present substance on earth with no exception.直至今天锗才毫无异议地成为地球上是纯净的物质.Doped silicon and germanium are technologically the most important types of semiconducting material.添加硅和锗在工艺上是半导体物质中最重要的类型....
thick globs of paint on the floor地板上一滴滴黏稠的油漆These globs of glass were discovered to be clay pots that had melted under intense heat!这些玻璃粒被发现是处于极热融化之下的黏土里!...