词汇	index of fertility
释义	index of fertility 肥力指标
随便看	ecological security defense ecological security early-warning ecological security evaluation ecological security evolvement ecological security issue ecological security of network culture ecological security of region ecological security of tourist destination ecological security of water environment ecological security pattern ecological security principle Ecological security status ecological segregation ecological selectivity ecological self-organization ecological sense ecological senses Ecological sensifivity Ecological Sensitive Area ecological sensitive assessment ecological sensitive factors ecological sensitively ecological sensitive region ecological sensitivity ecological sensitivity analysis