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...
a diagram representing a cross section of the human eye表现人眼的剖面图The tephigram is a thermodynamic particularly suitable for representing atmospheric processes.温熵图是一种热力学图,特别适合于描述大气过程.Draw a figure as accurately as possible ...
与其修改决议草案,不如予以撤回.We would rather withdraw the draft resolution than amend it.他们商定一项决议草案.They agreed on a draft resolution.他们把草案提交给了总统，总统翻了一遍，点了点头，然后就签了字。They presented their draft to the president, who looked it over, nod...