So it is essential tostudy the mechanisms of maturation,juvenility retention and rejuvenation before uniform,true-to-type,long-term cloning of trees can be achieved.
为实现树木长期与原种一致的无性繁殖，必须了解其成熟作用和幼态保持的机理，选取幼态组织作为繁殖材料或采用人工复壮措施。
The larval morphology of Frontopsylla nakagawai borealosinica (Siphonaptera:Leptopsyllidae);
窄板额蚤华北亚种幼虫形态研究(蚤目:细蚤科)
Effects of EM and ZnSO4 Seed-coating on Maize Seedling Morphology and Physiological Indexes;
EM菌与ZnSO4包衣处理对玉米幼苗形态及生理指标的影响
Effects of phosphorus supply on seedling morphology and organic acids exudation of Pinus yunnanensis;
不同供磷水平对云南松幼苗形态建成及根际有机酸分泌的影响
The juvenile stages and neoteny observed by him may also be explained in this way.
他所看到的幼态阶段和幼态成熟也可利用这种方法来解释。
The Primariness of Sustenance and Development of the State of Childhood and the Early Education;
幼态持续、发展的原发性和早期教育
a childish attitude, fear,remark
幼稚的态度、 恐惧、 言语.
the state of a child between infancy and adolescence.
幼年至青春期之间的状态。
Observation on the Trend of Physical Growth of Children in Wuhan City for the Past 24 Years
24年来武汉市幼儿生长发育动态观察
ON THE MORPHOLOGY OF LARVA OF IXODES SINENSIS TENG (ACARI: IXODIDAE)
中华硬蜱幼虫的形态(蜱螨亚纲:硬蜱科)
Structure and dynamics of insect community in young longan orchard
幼龄龙眼果园昆虫群落结构及其动态
The Immature Development and Morphology of Tamarixia radiata
柑桔木虱姬小蜂的幼期发育及其形态
A comparative observation on glochidial morphology of two unionid species(unionidae)
蚌科两种蚌钩介幼虫形态的比较观察
The Induction and Mechanism of Metamorphosis in Larvae of Bivalvia;
双壳贝类幼虫变态诱导及其机理研究
Studies on Larval Feeding Ecophysiology of Ivory Shell, Babylonia Areolata Link;
方斑东风螺幼体摄食的生理生态研究
Physiological and Morphological Responses of Ulmus Pumila Seedlings to Water Stress;
水分胁迫下白榆幼苗的生理形态反应
Ecology Environment Setting Project Of Middle Class on Fostering Their Social Skills;
创设生态环境,培养中班幼儿社会技能
On the Work Attitude of the Infant on duty;
关于中班幼儿值日生劳动态度的研究
Nervousness--an Obstacle Hindering the Healthy Growing of Infants s Body and Mentality;
紧张状态——幼儿身心健康发展的障碍
Responses of Pinus tabulaeformis Seedlings to Different Soil Water Moistures in Ecophysiological Characteristics
油松幼苗对干旱胁迫的生理生态响应
A Survey on Preschool Educators Attitudes and Suggestions to Inclusive Early Childhood Education;
幼教工作者对特殊幼儿融合教育问题的态度和意见的调查研究
Study on Optimization of Immature Embryo Culture System and the Correlation between Nitrate Metabolism and Immature Embryo Culture in Maize
玉米幼胚培养系统优化及硝态氮代谢与幼胚培养关系的研究
