It was shown that the laws of points won and lost of serve, blocking and counter attack under the old rule still play an important role in the new rule.

结果表明，发球得分制下发球、拦网、防反等得失分规律在每球得分制规则下仍发挥着作用。

youdao

It was shown that the laws of points won and lost of serve, blocking and counter attack under the old rule still play an important role in the new rule.

结果表明，发球得分制下发球、拦网、防反等得失分规律在每球得分制规则下仍发挥着作用。

youdao