arithmetic mean〔名词〕等差中项详细»
arithmetic mean算术平均数,算术平均值详细»
arithmetic mean算数平均值，算数中项详细»
arithmetic mean〔名词〕算术中项,算术平均值详细»
arithmetic mean〔名词〕算术中项(算术均数)详细»
arithmetic mean〔名词〕算术平均数详细»
arithmetic mean〔名词〕算术中项,算术均数详细»
arithmetic mean算术平均数，算术平均值详细»
arithmetic mean〔名词〕算术平均,等差中项,算术中项详细»
arithmetic mean〔名词〕算术平均值详细»
arithmetic mean〔名词〕算术平均详细»
arithmetic mean算术平均值详细»