seed collecting

Optimum design of clamping tree mechanisn on seed collecting stepladder

采种梯夹树机构的优化设计

Sapium discolor's morphological character, seed-collecting and seedling-raising, cultural technique are presented. Modification and Application of Activated Carbon from Fruit shell of Chinese Tallow Tree

介绍了山乌桕的形态特征，采种育苗和造林技术。乌桕籽壳活性炭的改性及其应用的研究

The paper reported the effects of the different seed-collecting density of the post veliger, the different benthic diatom and the different rearing density of the juvenile abalone on the growing and survival rate of the juvenile abalone.

研究了后期面盘幼虫不同采苗密度、不同底栖硅藻与稚鲍不同培育密度，对鲍苗的生长与成活率的影响。

Sapium discolor's morphological character seed-collecting and seedling-raising , cultural technique are presented.

介绍了山乌桕的形态特征, 采种 育苗和造林技术.

The Virtual Design and Research for self dyadic promotion and demotion seed collecting machine based on UG

基于UG的自行升降式采种机虚拟设计与研究