梭标投射器

And so bow hunting is kind of the modern extension of things like atlatl hunting in which you have hunters out there who are now relying more on skill than they are on marksmanship.

所以，弓箭狩猎是梭标投射器狩猎的现代方式。在这种方式中，猎人在户外更多的依靠技巧而非枪法。

Some national hunting organisations are limiting their use and a small but growing fringe of hunters is forsaking fire-arms altogether in favour of bows and arrows, spears and atlatls.

一些国家狩猎组织正努力限制这些高科技设备的使用，一小部分猎人正彻底放弃轻武器、蛋yao，转而青睐弓、箭、矛和梭标投射器这类工具。

Some national hunting organisations are limiting their use and a small but growing fringe of hunters is forsaking fire-arms altogether in favour of bows and arrows, spears and atlatls.

一些国家狩猎组织正努力限制这些高科技设备的使用，一小部分猎人正彻底放弃轻武器、弹药，转而青睐弓、箭、矛和梭标投射器这类工具。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。