Aldrin relied on a felt-tip marker, since the non-conductive tip would close the contact without shorting it out, or causing a spark.
奥尔德林当时使用的是毡制粗头笔，它的尖头是不导电的，接触开关不会造成短路或引发火花。
KDP (Potassium Dihydrogen Phosphate, it is shorting KH2PO4) crystal is a non-linear optical material used for laser frequency conversion and electrooptic modulators.
简写KH2PO4晶体作为一种优质的非线性光学材料目前广泛应用于激光频率转换器的电光开关中。
应用推荐