theguardian.com
581 LD_DESCRIPTOR LCALL ; call LD_DESCRIPTOR subroutine
，这一点在Line官方版本下载中也有详细论述
highWaterMark: 10,
While it's a perfectly fine and affordable Bluetooth keyboard, the Logitech Wave has minimal ergonomics. The keys rise up slightly in the middle and there's a comfortable wrist rest attached, but the layout is the same as any other keyboard, with no splitting of the keys to open up your arms or keep your wrists straight.