source sampling

Most pollen dispersed within a 4.5 m area around the transgenic pollen source plot with a maximum of 1.19% at the sampling site of 1.4 m. Wind direction significantly affected the direction and the distance of pollen dispersal.

绝大多数花粉散布在花粉源区周围4.5m范围内，其中最大飘逸率为1.19%，出现在距源区1.4m的取样点。风向显著影响花粉飘逸的方向和距离。

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Reference source method is adopted to overcome the wiring shortcoming in traditional voltage sampling method.

系统采用基准源法的布线结构,以克服传统电压取样法中布线复杂的缺点.

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A new type read out circuit is composed with one dynamic source follower, one capacitance for sampling and holding and one reset switch. This circuit has advantages with simple structure, acquiring related timing easily, single output, and so on.

采用一种新型结构的读出电路，该电路包含一个动态源随器和一个采样保持电容和一个复位开关，结构简单，时序容易实现，并且是单端输出，有着诸多优点。

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A True Random Number Generator by Sampling Thermal Noise Source

真随机数发生器的设计和实现

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These models assume that tracer properties do not change during transport and temporary storage between source location and downstream sampling sites.

该模型假设示踪标记的特征（组成、含量等）在输运过程中不发生变化。

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Dynamic time measuring using high current testing of constant current source and voltage sampling of break fracture is presented in this paper, furthermore new type of testing apparatus is developed specifically for this kind of breaker.

文中提出大电流恒流源、采样断口电压的动态电阻测试方法，并研制出专门针对此类高压开关的新型测试仪器。

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