准直物镜 autocollimator objective ; Collimating lens ; collimation objective
直观实物 intuitive entity
直布罗陀博物馆 Gibraltar Museum
礼物直升机 Present Hunting
直入式重型物料钢架 drive-in pallet racking ; drive-in n pallet racking ; inpalletracking
粗直棱织物 Ottoman rib
物镜直径 Objective lens ; Object Diameter ; objective diameter ; Lens diameter
直物镜棱镜 dierct vision objective prism
垂直装配建筑物 vertical assembly building ; VAB
直腰拾物器 teledactyl
他们提供的支持这一说法的证据似乎很有说服力：尽管花了很多钱，但这些污染物的年排放量一直在稳步增加。
The evidence they offer in support of this claim might appear compelling: despite the money spent, annual emissions of these pollutants have been increasing steadily.
虽然近年来机动车排放的有害污染物大幅减少，但机动车的数量一直在稳步增加。
Although recent years have seen substantial reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been steadily increasing.
然而，自1856年以来，汞合金填充物一直被用于修补我们的牙齿。
Yet, since 1856, mercury amalgam is “the” filling dentists have used to repair our teeth.
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