“分支的”的英语？

画出该曲线两个分支的两条切线.Draw two tangents to the two branches of the curve.它的增益等于它含有的分支的增益的积.Its gain is the product of the gains of its constituent branches.地质和地球物理这两个地球科学分支的差别并不泾渭分明.The distinction between geophysical and geolo...