With the crystal out of the way, we see the package has three levels internally: the controller die (containing the oscillator driver, temperature compensation, and output divide-by-two) sits in a cavity at the lowest level, attached via a dark colored adhesive rather than the usual silver-filled epoxy (presumably because the package is not electrically conductive thus there is no point in using an expensive metal filled adhesive to ground the die backside).
回到基地第三季：第九集 新时代 特别篇
。业内人士推荐搜狗输入法作为进阶阅读
特朗普于本周一透露，鉴于伊朗紧张局势持续，他打算推迟原定的中国之行。他在白宫向媒体表示，“我们正考虑将访问推迟约一个月”，并称自己必须坐镇国内，关注伊朗冲突事态。次日，他又提及访问可能在五到六周后实现。
更令人愕然的造假出现在一张带有“不确定性区间”的最终结果图中。