“现在咖啡价格涨得这么高，有些农民很担忧”，李中恒说。

"Some farmers are worried that coffee prices have risen so high now," said Li.

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经试验验证，采用机械压力机恒载荷精密模锻技术生产的锻件尺寸精度高、表面光洁、锻造流线不外露。

Test findings indicate that the forged pieces produced by this technology boast the advantages of high precision in dimension, good surface smoothness and hidden forging lines.

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串级JFET恒流器件具有非常高的动态阻抗。

Cascade JFET constant current device is of very high dynamic impedance.

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