主权项 |
1. A bow for a trajectory of an arrow, comprising:
a rigid bow frame having two ends and defining a longitudinal axis between said two ends; a tension unit which comprises an elastic cable extended between said ends of said bow frame, wherein said elastic cable is extended at a rear side of said bow frame along said longitudinal axis thereof; and a guidance unit provided at a middle of said bow frame for setting said arrow at a position that a rear end of said arrow is biased against a middle of said elastic cable, wherein said elastic cable is drawn back to build tension thereof for shooting said arrow.
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