Somatic mutation, a main biological phenomenon of citrus and other fruits, is often used for breeding as a major variation source. Spontaneous mutations often occur in citrus.
体细胞突变是柑橘等果树比较常见的生物学现象，也是品种选育，即芽变选种的主要变异来源。
Thus, the somatic cell variation in combination with physical and chemical mutagenesis can be considered as one approach to improve fruit crops and have achieved success in some fruit crops.
体细胞变异结合物理化学诱变法可被视作改良果树作物的一种手段，并且在一些果树作物中获得了成功。
Through gene transferring and somatic hybridization, cold-tolerant varieties have been obtained and the exploitation of somaclonal variation of some crops also succeeds.
采用体细胞融合、转基因技术等手段已经培育出了一些耐冷的品种，无性系变异的利用也已经在一些作物上取得成功。
This paper summarizes the research progress of the factors involved in controlling the process of oak somatic embryogenesis, as well as the genetic variation and histology at present.
总结了影响栎属植物体细胞胚胎发生的主要可控因素及体细胞胚的遗传变异，组织学研究现状。
To somatic colone variation progeny stable material R111 of sorghum recovery line was treated in No. 17 returning satellite in 1996 and its progeny has got excellent new germplasm have been developed.
选用高粱恢复系体细胞克隆变异后代稳定材料R111，搭载1996年第十七次返回式卫星进行处理，其后代获得大量变异系。
While female display, more rates than male with the symptoms of attempted suicide, psychic anxiety, somatic anxiety, general somatic symptoms, diurnal variation.
女性患者在自杀意念、精神性焦虑、躯体性焦虑、全身疲乏、晨夜夕轻症状出现频率多于男性，但无统计差异。
While female display, more rates than male with the symptoms of attempted suicide, psychic anxiety, somatic anxiety, general somatic symptoms, diurnal variation.
女性患者在自杀意念、精神性焦虑、躯体性焦虑、全身疲乏、晨夜夕轻症状出现频率多于男性，但无统计差异。
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