1·In China today, the utilization efficiency of farming water is about 30-40 percent.
在今天的中国，农业用水的利用效率约为30%-40%。
2·The low utilization efficiency has resulted from the adoption of some traditional Chinese irrigation methods.
利用效率低的原因是采用了中国一些传统的灌溉方式。
3·The heritability of N content in grain and leaf and N utilization efficiency were high.
子粒、叶片含氮量和氮利用效率的遗传率相对较高。
4·The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.
随著施氮量增加，追施氮肥的利用率明显下降。
5·The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.
随着施氮量增加，追施氮肥的利用率明显下降。
6·Significent differences were get in feed utilization efficiency between the three groups( P
三个处理组猪对饲料的利用效率也有显著的差异（P＜0.05）。
7·The utilization efficiency of oxygen can reach to 48% in the experiment technology and actual engineering.
试验工艺及实际工程中氧利用率最高可达48％以上；
8·The differences of Zn uptake and utilization efficiency among maize inbred line genotypes were significant.
不同玉米自交系间锌吸收效率和锌利用效率差异极显著。
9·Energy change ratio is a synthetical index to evaluate the utilization efficiency of agricultural resources.
能量转化效率是评价农业资源利用效率的一个综合性指标。
10·Because of many factors, operation of China's power industry and energy utilization efficiency are low at present.
由于受诸多因素的影响，当前中国电力工业的运行水平和能源利用效率较低。