shadow board 中文意思是什麼
shadow board
解釋
防反射板-
The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board
平板蔭罩是彩色顯像管的關鍵部件之一，是一個重要選色元件，其作用是限制電子束直徑和上屏方向，由電子槍發射的電子束在偏轉磁場的作用下進行掃描，掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚，並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上，發出三種基色（紅，綠，藍） ，而無用的電子則被蔭罩板截獲。 -
In practice, it is not always easy to establish a person as a shadow director of a company, which involves the proof that the relevant board of directors has been failing to exercise any discretion or judgment, contending instead to act upon the directions and instructions of the alleged shadow director over a period of time
就實際情況來說，要確定一個人是不是影子董事並不容易，這牽涉到是否能夠證明：有關的董事會長久以來推卸董事應盡的責任，而僅遵照被斷言為影子董事的人的指導、指示辦事。
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