Preliminary evidence was obtained to prove the action of the position effect which has no relation to developmental phase on the grafts. A concept of positional information memory was proposed.
提供了与发育阶段无关的位置效应在嫁接中具有作用的初步证据，提出了“位置信息记忆”的概念。
2
The characteristic and construction of charge-division type position sensitive detector are described in this paper, and the preliminary experimental results are also presented.
本文对电荷除法型位置灵敏探测器的特征和结构进行了描述。并给出了初步的实验结果。
3
The technology and preliminary test results of Si bi-dimension position sensitive detector based on multi-strip structure fabricated by using planar technology were described in this paper.