这里面有3个具体的值最能影响弓的能量,拉力(draw weight)、拉长(draw length)和省力比(let-off)2. 什么是IBO速度和AMO速度大家在很多弓产品介绍上面第一看到的就是这个值,例如 IBO=305fps等等。
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let off 放 ; 排放 ; 开
Let off Steam 纾解压力∕发泄怒气 ; 放掉蒸气 ; 释放 ; 发泄
Let Off Fireworks 放焰火 ; 放烟花 ; 放花 ; 放烟火
let-off apparatus 放线装置
let off pipe 出水管
let-off motion 送经装置 ; 送经运动
let-off pipe 排放管 ; 出水管
let off with a warning 给予警告就放了
PHRASAL VERB If someone in authority lets you off a task or duty, they give you permission not to do it. 免除 (任务或义务)
I realized that having a new baby lets you off going to boring dinner parties.
我意识到,生了个孩子你就可以不参加无聊的宴会了。
PHRASAL VERB If you let someone off, you give them a lighter punishment than they expect or no punishment at all. 宽恕
Because he was a Christian, the judge let him off.
因为他是一个基督徒,法官宽恕了他。
PHRASAL VERB If you let off an explosive or a gun, you explode or fire it. 放 (枪炮等); 使爆炸
A resident of his neighbourhood had let off fireworks to celebrate the revolution.
他邻里的一个居民燃放了烟花来庆祝革命。
The mother said she would let off her son washing the dishes if he could finish his assignment before supper.
母亲说如果儿子能在晚饭前完成作业,她就不让他洗碗。
A resident of his neighbourhood had let off fireworks to celebrate the revolution.
他邻里的一个居民燃放了烟花来庆祝革命。
She was let off with a warning.
她被从轻处罚,只是受了个警告。
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