sight aperture 中文意思是什麼
sight aperture
解釋
覘孔瞄準具-
We have kept in specializing in optical instruments for nearly 40 years, especially sight test apparatuses, such as trial lens of both full - aperture with metal colored metal rim and reduced - aperture with plastic aluminum mount, trial frame with adjustable changeless p. d, crooss cylinder set and retinoscopy rack set. based on excellent quality and reasonable price, our trial lens set has acquired a good reputation from the customers and distributors over the world. for ten years, our products have been widely shipped to america, europe, southeast asia, mid - east and africa
連雲港天諾光學儀器有限公司是專業生產驗光鏡片箱檢眼鏡片箱試鏡架等驗光儀器的廠家，多年來，公司致力於驗光儀器的開發和研究，追求精益求精，不斷改進生產工藝，提高產品質量，並積國內外諸多驗光師的經驗遂漸形成260 232 226 158等多種產品及規格，配置合理鏡片孔徑大驗光配鏡舒適準確，是理想的專業驗光工具。 -
Some few minutes had elapsed, and the stranger began to show manifest signs of impatience, when a slight noise was heard outside the aperture in the roof, and almost immediately a dark shadow seemed to obstruct the flood of light that had entered it, and the figure of a man was clearly seen gazing with eager scrutiny on the immense space beneath him ; then, as his eye caught sight of him in the mantle, he grasped a floating mass of thickly matted boughs, and glided down by their help to within three or four feet of the ground, and then leaped lightly on his feet. the man who had performed this daring act with so much indifference wore the transtevere costume
過了一會兒，此人開始顯示出不耐煩的樣子，正在這時，屋頂的洞口外面發出了一種輕微的響聲，立刻有一個黑影擋住了亮光，那分明是一個男人的身影，那人正在急切而仔細地察看他身下的這一大片地方，當他看到那個穿披風的人時，他就抓住一簇向下飄垂密密地纏結在一起的根須，順著它滑到了離地三四尺的地方，然後輕輕地跳了下來，他穿著一套勒司斐人的服裝。
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