目的:在探討四種排球快速移防方式之間的差異，並探討四種排球快速移防方式

目的:在探討四種排球快速移防方式之間的差異，並探討四種排球快速移防方式之間相關。

結果 (英文) 1:

Objective: To investigate the correlation between the difference between fast Yifang four ways volleyball, volleyball and studies of four fast way its forces.

結果 (英文) 2:

Objective: To explore the differences between the four volleyball fast-moving defense methods, and to explore the correlation between the four volleyball fast-moving defense methods.

結果 (英文) 3:

Objective: To explore the differences between the four methods of volleyball rapid moving defense, and to explore the correlation between the four methods of volleyball rapid moving defense.