optimum temperature短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 最佳温度,最适温度 The increasing rate of the population is higher at a little higher temperature than at the biological optimum temperature. It is because the reproductive peak comes earlier. 尽管在温度较高时存活率低，产卵量小，但由于生殖高峰提前出现，就使得实际种群增长率仍较高。 ricesci