Change in the miscarriage rate, live birth rate per cycle started, or the multiple pregnancy rate.
流产率，已启动的周期活胎出生率或多胎妊娠率的变化。
However, not all embryos survive the freezing and thawing process, and the live birth rate is lower with cryopreserved embryo transfer.
然而，在冷冻和复温的过程中，并非所有胚胎都能存活，冷冻胚胎移植的活胎出生率更低。
If a program cites a live birth rate for each procedure, be sure that the program representative counts twins as one successful pregnancy, not two.
若方案有每次操作的活胎出生率，要明确方案表达的计数将双胎作为一次而不是两次成功的妊娠。
To explore the relations of the strains of embryo and pseudopregnant recipient to live birth rate of embryo transfer and the feasibility of mixed transfer of different embryo strains.
探讨不同受体鼠和供体鼠品系对胚胎移植成功率的影响以及不同品系胚胎混合移植的可行性。
AIM: to explore the relations of the strains of embryo and pseudopregnant recipient to live birth rate of embryo transfer and the feasibility of mixed transfer of different embryo strains.
目的：探讨不同受体鼠和供体鼠品系对胚胎移植成功率的影响以及不同品系胚胎混合移植的可行性。
Abstract: farrowing is one of the most important part in the pig industry, the duration of farrowing influences the number of live birth as well as piglets survival rate.
摘要：母猪分娩是养猪生产中非常重要的环节之一，产程不仅影响窝产活仔数，而且还影响仔猪出生后成活率。
Abstract: farrowing is one of the most important part in the pig industry, the duration of farrowing influences the number of live birth as well as piglets survival rate.
摘要母猪分娩是养猪生产中非常重要的环节之一，产程不仅影响窝产活仔数，而且还影响仔猪出生后成活率。
Although China's skewed birth rate means there will be a surplus of about 24 million men in China by 2020, the majority of these bachelors will live in rural areas.
虽然中国畸形的出生率意味着到2020年，中国会有2400万男性可能会打光棍，但这些人大部分还是会生活在农村地区。
In 1999, the infant mortality rate was 3.2 per thousand live births and the average life expectancy at birth was 77.2 years for males and 82.6 for females.
1999年，婴儿夭折率为每千名活产婴儿3.2宗；婴儿出生时平均预期寿命，男性为77.2岁，女性为82.6岁。
In 2001, the infant mortality rate was 2.7 per thousand live births and the average life expectancy at birth was 77 years for males and 82.2 years for females.
2001年，婴儿夭折率以每千名活产婴儿计算为2.7；至于出生时的平均预期寿命，男性为77岁，女性为82.2岁。
In 2001, the infant mortality rate was 2.7 per thousand live births and the average life expectancy at birth was 77 years for males and 82.2 years for females.
2001年，婴儿夭折率以每千名活产婴儿计算为2.7；至于出生时的平均预期寿命，男性为77岁，女性为82.2岁。
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