There were other reasons, too, for this mild reproduction.
生殖率这样低也还有别的原因。
net reproduction rate
净再生产率，净（人口）繁殖率
The rooting rate was 97.5% for cut propagation under above conditions,and 98.2% for the upper air layering.
高空压条繁殖生根率为98.2%,为繁殖试验中生根率最高。
The probability of survival is the reciprocal of fecundity.
生存的概率是生殖力的倒数。
The Study of the Fertilization Efficiency in C_(57)BL Mouse;
C_(57)BL小鼠生殖效率的研究
Respiration and production of size-fractionated plankton in ponds with sea cucumber Apostichopus japonicus
刺参养殖池塘不同粒级浮游生物呼吸率和初级生产率的研究
Conclusion: 1 .The occurrent rate ofepithelial ovarian tumors (EOT) (57.77%) was significantly higher than that of ovarian germ cell tumors.
结论：（1）卵巢上皮性肿瘤的发生率（57．77％）明显高于生殖细胞肿瘤。
Children born after assisted fertilization have an increased rate of major congenital anomalies
辅助生殖技术出生儿童严重先天畸形发病率升高
Producing of young by animals
（动物的）生育，繁殖，生殖
The presence and availability of water also affect the ability of microorganisms to colonize foods.
水的存在和可利用率也影响微生物在食品中的繁殖能力。
What is overlooked in the arguments about the morality of artificially reproducing life is the fact that at present, cloning is a very inefficient procedure.
关于人工繁殖生命的争论忽略了目前克隆过程效率低的事实。
Objective To analyze the relationship between induced abortions in unmarried teenagers and reproductive health education.
目的分析未婚青少年人工流产率与生殖健康教育关系。
Research on the Effects and Mechanism of Low Power Microwave on the Reproductive System of Male Mice;
低功率微波辐射对雄性小鼠生殖系统的影响及其相关机制探讨
Effects of Alfalfa on Laying Traits, Hatching Rate and Reproductive Hormones in Zi Goose;
苜蓿草粉对籽鹅产蛋性能、孵化率及生殖激素的影响
The Polymorphism of Interferon-tau Gene and Their Relationship with Reproductive Hormone and Conception Rate in Chinese Holstein;
干扰素-τ基因多态性和生殖激素与受胎率的相关性研究
The Frequencies of Autotetraploid Rice with Polyembryonic Seedling and Its Reproductive Characteristics;
同源四倍体双胚苗水稻的双胚频率及其生殖发育特性
Effect of Estradiol Valerate on Endometrium, Hormone Secretion and Conception Rates in Clomiphene Citrate Treatment on Anovulatory Infertility;
戊酸雌二醇对克罗米芬周期中子宫、生殖激素及妊娠率的影响
Comparative Study of Biofilters with Four Different Substrates to Simulated Mariculture Wastewater
四种填料的生物滤器对模拟海水养殖废水处理效率比较研究