support force upon economy

• 支持力

support force upon economy的用法和样例：

例句

1. An object immersed in a fluid is supported with a force equal to the weight of fluid displaced by the object.
   浸在流体中的物体受到一个支持力，这个力的大小等于该物体所排开的流体的重量。
2. Most old persons in Beijing have chosen the family to support life at present, so the family supportiveness is particularly important to these old people.
   摘要目前北京市大多数老人选择了家庭养老，因此家庭支持力对这些老年人显得尤为重要。