res is the usual result of an I/O operation: the number of bytes transfered, or a negative error code.

res是IO操作的通常结果：传输的字节数，或者负值的错误码。

youdao

This device can display the real-time respiratory rate. Result the simulation device can display the real-time respiratory waveform and res…

结果：通过实际使用模拟装置能在监护仪上准确的显示出模拟人实时的呼吸波形和呼吸率。

youdao

Panoramas consist of 4 pictures that are processed into a single 5525 x 1485-pixel image, and while the result is surprisingly high-res, the stitching process often reveals noticeable seams.

ENGADGET: Nokia Creative Studio brings panorama capture to Lumia handsets (hands-on)

Unlike high-definition video, which can result in disconcerting detail (hello, pores), hi-res audio smooths more than it sharpens.

WSJ: Sonic Truth