The objective function of the model is a quadratic function with separable in the variables, and the constraints are linear.
该模型的目标函数是变量可分离二次函数，而约束条件是线性的。
The utility model relates to a fishing rod. A vertical rod is provided with a connecting mechanism of the fishing rod. The fishing rod and the vertical rod form a separable structure.
一种钓鱼杆，竖杆上 设置有钓杆连接机构，钓杆与竖杆构成可分离结构；
The utility model relates to a separable strand plug, comprising a plug, an insulated handle and a conducting wire.
本实用新型是一种散股式插头，包括插头，绝缘手柄和导线。
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