数量级...

Of course our implementation was still slower, but not by an order of magnitude.当然,我们的实现仍然慢一些, 但不是按照数量级(计算)了....

order of magnitude的音标：order of magnitude的英式发音音标为：['ɔ:də ɔv 'mæɡnitju:d]order of magnitude的美式发音音标为：['ɔrdɚ ʌv 'mæɡnɪˌtud]...