The research about alternative tourism abroad focuses on the understanding of its meaning and its effect on economy, social culture and environment of tourism destination, especially on economy.
国外对选择性旅游的研究主要集中在对其涵义的理解和其给旅游接待地的经济、社会文化及生态环境造成的影响方面，尤其是经济方面。
Research is made on the effect of grinding environment on pyrite pulp chemical property and subsequent flotation behavior.
研究了磨矿环境对黄铁矿磨矿矿浆化学性质及后续浮选的影响。
In the simulating environment, experimental research was done for measuring time-of-flight of the sound waves in the boiler which have major effect on the temperature-measurement precision.
在室温模拟环境下，对主要影响温度测量精度的炉内声波飞行时间的测量进行了实验研究。
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