The article has first analyzed label's historic importance, the value content and the form successional variation process.
文章首先分析了标签的历史意义、价值内容和形式演变过程。
To solve the optic axis offset of the TV camera, this article proposed a dynamic software compensation technology in continual focal variation process.
为解决电视摄像机在连续变焦过程产生光轴线的偏移问题，提出了一种动态软件补偿技术。
Periodical analysis showed that abrupt change of sediment load happened in 1968 and 1984, which divided the variation process of river sediment load into three stages.
中国主要河流入海泥沙还具有明显的三个阶段变化特征，即分别在1968年和1984年前后发生了突变。
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