Add it upA very nice feature of 1-2-3 that fits right in with its "integrated" approach, is what we would call today "plug-ins" or "extensions," but which Lotus calls "add-ins." 1-2-3 shipped with a few. For example, one expanded macros by letting them live in-memory, for use across worksheets. Normally the only macros accessible to a worksheet are those defined within itself.
It has to emit an image.
。关于这个话题，新收录的资料提供了深入分析
但是上面我已经讲过，快递员只会按照地址把快递放在驿站，不会管你的手机号是不是已经被驿站拉黑；而驿站如果扫描你的快递发现不能入库，就只是放在一边等待有时间的时候送货，甚至没有系统管理还存在丢失无法追责的风险，所以这一招显然不会有多大用处。
0.0005 column is a very safe bet. dE00's JND is 2.0, so 0.05 is the one to go