词汇	协方差的效率
释义	协方差的效率医efficiency of covariance
随便看	single-theodolite method single theodolite observation single-theodolite observation single theodolite wind measurement single therapy for mot canal Single therapy for root canal single thermoelectric element single thermostat method single-thickness letter single-thickness lettersingle stroke letter single thickness sheet glass single-thickness sheet glass single thickness window glass single thin film Single thinly-bedded rock salt single thinning shears singlethread single thread single-thread single-thread application program single-thread auger single thread chain stitch single-threaded single-threaded apartment model single-threaded application