How can I define a line load for only part of a member?
如何只定义线荷载对杆件的一部分？
To apply a uniform load to a part of a member only, select the member. Then, open the "New Member Load" dialog box, for example, by clicking the  button in the toolbar. Select the Trapezoidal load distribution type in the list.\r Enter the load magnitudes p1 and p2. In the case of a constant load, enter the same values.\r Define the load distance according to the dialog graphic. The distances A and B refer to the member start.
要只对杆件的一部分施加均布荷载，请选择杆件。 然后，打开'新建杆件荷载'对话框，例如点击按钮 按钮。 用户可以在列表中选择“梯形”荷载分布类型。\r 输入荷载 p1和 p2的大小。 荷载恒定时，用户需输入相同的值。\r 根据对话框中图形定义荷载间距。 距离 A 和 B 是指杆件始端。