This was where Earl practiced his golf swing, hitting balls into a soccer net after work.
这儿就是伊尔练习掷高尔夫球的地方,下班后,他练习把球击进一个足球网。
2
The change law of netswing for the unit axis is derived, the possible reseaus of the irregular swing are analyzed, and the methods for calculating regular swing are given in this paper.