The results indicated that under the intercropping condition, maize biological output and economical output increased by 38.73% and 23.4% than those of single maize cultivation.
结果表明，间作体系中的玉米地上生物学产量和经济产量较单作玉米增加38.73%和23.4%，增产显著。
The whole intercropping system had obvious advantage of the biological and economical output.
整个间作系统有明显的地上生物产量和经济产量优势。
The biofilm adhering to the wall of the clear water tank can probably resulted in the occurrence of bacteria in waterworks output, thus deteriorate the biological safety of drinking water.
附着在清水池壁生长的生物膜可能使出厂水的细菌数增加，对饮用水的安全性造成威胁。
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