中文：

库存率是指企业库存与主营业务收入的比率，是衡量企业库存状况和运营效率的重要指标。库存率的高低可以反映企业的库存管理水平、生产销售的协调状况以及企业的资金运用能力。

库存率过高意味着企业库存积压严重，不仅会占用企业大量资金，还会增加企业的仓储和管理成本，影响企业的盈利能力。而库存率过低则表明企业的生产销售协调不够顺畅，可能存在供应短缺、销售滞销等问题。

因此，企业需要合理控制库存率，以保持库存结构的合理性和运营的高效性。一般来说，合理的库存率应该根据企业的实际情况进行评估和制定，同时需要加强库存管理和销售预测，提高生产和销售的协调效率，以实现库存率的优化控制。

英文：Inventory rate refers to the ratio of enterprise inventory to main business revenue, which is an important indicator to measure the inventory status and operational efficiency of an enterprise. The level of inventory rate can reflect the inventory management level of an enterprise, the coordination status of production and sales, as well as the ability of an enterprise to use its funds.

A high inventory rate indicates that the enterprise has serious inventory backlog, which will not only occupy a lot of funds but also increase the warehousing and management costs of the enterprise, affecting its profitability. On the other hand, a low inventory rate indicates that the production and sales coordination of the enterprise is not smooth, which may lead to problems such as supply shortage and sales slump.

Therefore, enterprises need to control the inventory rate reasonably to maintain the rationality of inventory structure and efficient operation. Generally speaking, a reasonable inventory rate should be evaluated and set according to the actual situation of the enterprise. At the same time, it is necessary to strengthen inventory management and sales prediction, improve production and sales coordination efficiency, so as to achieve optimal control of inventory rate.