let imports = {
if((h=to_be_deleted[classno])) {
，更多细节参见搜狗输入法下载
Columnar or ortholinear keyboards stack the keys in orderly columns, often with rows that are not linear. Proponents claim this makes the keys easier to reach. Whether that’s true will be up to your fingers to decide, but I can say for certain that if you learned to type on a staggered keyboard, switching to a columnar layout is tough. It will take days, possibly weeks before you instinctively hit the C key. The N, M and B keys don’t fare much better.
Then Firefox has some good news for you. The popular web browser, which is run by the non-profit-owned tech company Mozilla, has just rolled out a new update that comes with an AI killswitch.