2) notehead
有抬头信笺
3) writing paper with letterhead
印有抬头的信纸
5) correspondence paper
信笺纸
6) raising point
抬头点
1.
In the experiments of measuring Plank constant by the method of photoelectric effect, the raising point of the volt-ampere character curve of a photoelectric tube to each kind of monocromatic lights can be extracted by 3-ranking step-differential, precisely to 0.
在光电效应法测普朗克常量的实验中，用３阶逐差确定光电管对各种单色光的伏安特性曲线的抬头点，可以精确到０。
补充资料：信笺
1.信纸。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条