This paper tries to build up the strategy of suppliers by analyzing the purchase strategy of the leverbalance and the purchase combination.
通过杠杆平衡采购战略分析和采购组合分析，来构建供应商战略。
2
Electronic scale weighing instrument, belonging to a, is the use of Hooke's law or the force of the leverbalance principle to measure quality tools.
电子秤，属于衡器的一种，是利用胡克定律或力的杠杆平衡原理测定物体质量的工具。
3
Based on Archimedes theorem and leverbalance principle, we can calculate the buoyancy's variety of the balance objects. This variable just equals to the weight of the measured object.