什么是拒绝率?
What's the rejection rate?
根据矿池的工作原理，矿池不断给矿机下发新的计算任务，矿机将计算结果提交给矿池。但是由于矿机与矿池的网络连接存在延迟，从矿池下发新的挖矿高度的任务给矿机，到矿机接收到任务，在这段时间提交的结果已经过时，即为无效提交，将不被矿池承认。拒绝率即无效提交与总提交结果之比。
According to the working principles of the ponds, the ponds continue to send new computing tasks to the mines, and the machines submit the results to the ponds. However, owing to the delay in connecting the machines to the network of the ponds, the miners are given the task of sending new mining heights from beneath the ponds and receiving them. The results submitted during this period are outdated and will not be accepted by the ponds.
拒绝率的正常范围是多少，超出范围怎么办?
What's the normal range of rejection rates in , and what about beyond?
拒绝率在3%以内都属于正常;如果矿机的拒绝率突然升高，可能是由于网络连接不稳定导致的，通常属于偶发现象，可排查以下几种情况：
The rejection rate is normal within 3 per cent; if a sudden increase in the rate of rejection of mining machines may be due to instability of network connections, which is usually an occasional phenomenon, the following can be identified:
1. 如持续偏高，请检查您的网络连接。
Check your network connections if they continue to be high.
2. 矿机温度过高
2. Overheating mining machines
矿机温度过高同样会影响矿机的算力和拒绝率，特别是在炎热的夏季。如下截图中的温度基本正常。不同的矿机对最高温度适应情况不同，通常在90-100以下的温度还是比较正常的。具体的需要根据不同的机型进行确认。
High temperatures also affect the arithmetic and rejection rates of miners, especially in hot summers. Temperatures are generally normal in the following screens. Different machines adapt to maximum temperatures, usually at temperatures below 90-100.
3. 固件问题
3. Solid matter
部分矿机可能因为固件问题导致拒绝率普遍偏高。出现类似情况，可咨询矿机厂商。
Some mining machines may have a high rejection rate due to solidity problems in general.
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