A semi-sterility mutant, whose seeds-set was about 40 percent, was found in the field of Japonica rice variety Nipponbare in Japan in 1991.
直至1996年，在20个半不育株系中获得了13个半不育性稳定遗传的株系。
Screening and analysis of microdeletion on Y chromsome of idiopathic male infertility;
男性不育患者Y染色体微缺失筛查与意义分析
Relationship between azoospermia factor gene microdeletion in Y chromosome and male infertility;
Y染色体无精子症因子缺失与男性不育的关系
Approach on the some hot spots of male infertility pathogenesis;
男性不育机制部分研究热点的探讨
Mapping of a Novel Semi-Sterile Pollen QTL in Rice
一个新的水稻花粉半不育性位点的定位分析
Analysis of the Fertility for a Semi-sterile Mutant W207-2 and Fine Mapping of a Pollen Semi-sterile Gene (Pss1) in Rice (Oryza Sativa L.);
水稻半不育突变体W207-2的育性分析及花粉半不育基因的精细定位
Inversion heterozygotes are semi-sterile.
易位杂合体是半不育的。
Effects of Cysteamine on Performance and Carcass Characteristic in Broiler Chickens under Different Growth Patterns;
半胱胺对不同生长模式下肉仔鸡生长发育和屠体性状的影响
a defect in brain development resulting in small or missing brain hemispheres.
在大脑的发育过程中一半不长或消失。
Study on Characteristics of Growth and Development from Pinellia ternata of Zhaotong
昭通半夏生长发育特性的观察与研究
cytoplasmic male sterilty
（细）胞质雄性不育
The Mechanisms of Inter-subspecies Hybrid Semi-sterility and Fine Mapping of a New Hybrid Embryo Sac Sterility Gene;
水稻亚种间杂种半不育机理研究及胚囊不育新基因的精细定位
and I am sure she is not half so handsome as Jane, nor half so good humoured as Lydia.
我敢说，论漂亮，她抵不上吉英一半； 论性子，好抵不上丽迪雅一半。
You should have some perseverance. Don't give up halfway.
你做事要有长性, 不能总是半途而废。
It is quite a toss-up whether he comes or not.
他来不来的可能性各占一半。
functional asymmetry of cerebral hemispheres
大脑两半球功能不对称性
The Study of Physical Properties in Different Degeneration of Semi-desert Soil;
不同退化半荒漠土壤理化性质的研究
Invariant Radicals of Rings under Isomorphism of Multiplicative Semigroup of Rings;
在环的乘法半群的同构下根的不变性
Study of the Insensitizing Control of a Semilinear Heat Equation
半线性热方程的不灵敏控制研究综述
Displacement Discontinuity Fundamental Solutions for a Layered Elastic Half-plane
弹性层状半平面的位移不连续基本解
ε-Optimality Conditions for a Class of Fractional Semi-Infinite Programming with B_ε-Invex Functions
B_ε-不变凸分式半无限规划的ε-最优性
An analysis of the anomaly of stationary waves in the Northern Hemisphere 500 hPa height field.
北半球500hPa高度场定常波不平稳性分析