species conversion的意思|示意

Results of the performance tests show an average improvement of at least 2% of the feed conversion, depending on species.

动物生产性能试验结果表明，根据畜禽种类不同，加酶后饲料转化率平均至少提高2%。

The fluorescence of dominant species leaves is decreasing at noon shows that efficiency of light energy conversion at noon is decreasing and further to explain photo inhibition.

中午优势种叶片荧光降低表明中午的实际光能转化效率降低，进而说明了中午发生光合作用光抑制。

Multiple factors have contributed to the demise, including logging, agricultural land conversion, over-exploitation, population growth, pollution and the impact of invasive alien species.

造成物种消失的原因有很多，包括采伐森林、开发农业用地、过度开采、人口增长、污染以及外来物种入侵等。