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....
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...
He lived long enough to see in the new millennium.他活到了新千年.The whole world was counting down to the new millennium.全世界都在倒计时迎接新千年的到来.Acupuncture was practised in China as long ago as the third millennium BC.中国早在公元前3,000年就已...