foliage injury

(2) The changes of the value of Fi are in coincidence with the variations of the value of CHi and the value of NFmin-i,remarkably denoting that the Fi model is scientific and realistic in cultivated land sustainable use evaluation.

然后,将所构建模型应用于河南省焦作市耕地可持续利用评价之中,测度了1997～2006年期间焦作市耕地可持续利用生态位适宜度Fi值。

FI catalyst as a high performance catalyst is developed for olefin polymerization in recent years.

FI催化剂系一近几年发展起来的烯烃聚合高性能催化剂。