off-axis

基本解释

The above curve data illustrates the excellent S2.1M horizontal tweeter dispersion characteristics taken at 0 degrees (on axis), 15 degrees, 30 degrees, and 45 degrees off axis.
上图曲线数据说明在0度（轴向），15度，30度，45度（偏离轴向），优秀的S2.;1M水平高音离散特性。
off axis power density radiation
离轴辐射功率密度
The hunter cut off the animal's head with one chop of an ax.
猎人一斧砍下猎物的头。
He bit off a large piece of the apple.
他咬下一大块苹果。
He is a great guy, a chip off the old block.
他是一位好人，就像他父亲一样。