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- The interior of the tube must be kept a hard vacuum to preserve the photo cathode. 顯象管內部一定要保證高真空才能保護光電陰極。
- A display device that uses a cathode ray tube. 一種使用陰極射線(xiàn)管的顯示裝置。
- Keep the sun behind you when you take a photo. 拍照時(shí)要讓太陽(yáng)留在你的身后。
- He showed me a photo of a family group. 他給我看一張合家歡的照片。
- Many a time have we come across this same photo. 我們多次都見(jiàn)到過(guò)這同一張照片。
- He adjusted the shutter before taking a photo. 在照相前,他調整了快門(mén)。
- The woman on the photo is my paternal grandmother. 照片上的這個(gè)婦人是我祖母。
- He took a lot of photo last sunday, and so do I. 他上星期照了許多照片,我也一樣。
- The photo made him quite attractive. 照片把他拍得相當英俊。
- That photo is a good likeness of David. 戴維那張相片照得很像。
- An electron tube having a cathode and an anode. 電子二極管有一個(gè)陽(yáng)極和一個(gè)陰極的電子管
- He hit upon a photo taken ten years ago. 他偶然發(fā)現一張十年前拍的照片。
- The photo shows her dressed in black. 在這張照片里,她穿著(zhù)黑衣服。
- I got her in focus before I took the photo. 我在拍攝前先用鏡頭把她對清楚。
- The photo has faded beyond recognition. 相片已經(jīng)模糊,不能辨認。
- bismuth cesium photo cathode 鉍-銫光電陰極
- The baby wouldn't stay put long enough for the photo to be taken. 這孩子總動(dòng)換,拍不了照片。
- German physicist. He won a1905 Nobel Prize for his work on cathode rays. 勒納,菲利普1862-1947德國物理學(xué)家。因在陰極射線(xiàn)方面的成果而榮獲1905年諾貝爾獎
- antimony-cesium photo cathode 銻-銫光電極陰
- Color cathode ray tube shielded band. 彩色顯像管用帶鋼。