C. With a relatively stable cultivation area, China can achieve its desired total grain output target if the annual average increase rate of per unit yield is 1%.

在播种面积相对稳定的前提下，只要粮食单产年平均递增1%，就可以达到预期的粮食总产量目标。

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C. With a relatively stable cultivation area, China can achieve its desired total grain output target if the annual average increase rate of per unit yield is 1%.

在播种面积相对稳定的前提下，只要粮食单产年平均递增1%，就可以达到预期的粮食总产量目标。

youdao