| 摘要 |
An archery bow is provided with a system whereby of which the force applied to bending the bow is multiplied when the drawstring is pulled back by the user. This is accomplished by attaching a second string between the bow limbs and using a mechanical gearing or other force-multiplying system actuated by a lever which is pulled with the main drawstring. At full draw both strings are simultaneously released. Electrical, hydraulic or pneumatic force multiplying devices can also be used to draw the second string.
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