The total effect rate and improvement of hemorheology in the treatment group has a significant difference compared with those in the contrast group(P<0.01).
治疗组总有效率及治疗后血液流变学变化与对照组比较，差异有非常显著性意义（P<0.01）。
The recovery of residual heat from gas engine has a great effect on the improvement of the total thermal efficiency of the system.
燃气发动机余热回收对系统总热效率的提高影响很大。
When combined engineering and agronomic methods to improve the salt land in Binhai area which total salt content was over 3%, the width of experimental field play roles for the improvement effect.
采取工程措施与农艺措施相结合的方法，对全盐含量3%以上的滨海盐土进行改良。
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