局限性：粪便取样方法已经被标准化了，但是样本大小取决于粪便的稠度。
LIMITATIONS: the fecal sampling method is standardized, but the sample size depends on fecal consistency.
以上结果为在病害调查中确定取样方式与样本大小提供了理论基础。
The findings supply a theoretical basis for selecting sampling mode and sample size for the study of the disease.
研究了气泡直径随操作压力、取样时间的变化规律，以及气泡大小对气浮处理效果的影响。
The rule of changes of the diameters of air bubbles with pressure and sampling time, as well as the effect of the sizes of air bubbles on the result of air floatation treatment were studied.
传感器是列车测速仪的取样部分，而作为取样的传感器，其误差大小直接影响到列车测速仪测速的准确程度。
The sensor is the sample part of the train speed indicator. Being used for getting samples, the error of the sensor affects the accuracy of the result from the train speed indicator directly.
提出了能直接测量烟尘和粉尘排放浓度和粒径大小的激光监测技术，具有实时快速、非接触、在线、无需取样和连续测量的优点。
A laser based technique is proposed which is able to measure and supervise the mass concentration and particle size of smoke and dust in emissions.
另使用了一限流型过流保护电路来对输出电流进行限制，并通过改变电流取样电阻的大小来调节限流值的大小。
Another limiting the use of one type over-current protection circuit to limit output current, and by changing the size of the current sampling resistor to regulate the size of current-limiting value.
通过单位面积取样调查，定量地分析了开花期星星草无性系种群的数量特征及其与无性系大小之间的关系。
The relationship between quantity characteristic and the size of clone of Puccinellia Tenuiflora clone population at flowering stage sampled by unit area.
该算法引入样本区域密度的概念，根据密度大小按不同的概率选取样本，以修正权矢量。
In this algorithm, sample region density is introduced. Weight vectors are updated under the condition of selecting samples with different probability according to their density.
用丰脂灵化学采脂和常规采脂对广西派阳山林场的马尾松进行采脂试验，并取样测定木材树脂道的数量、大小与分布及木材明子化程度。
The methods of collecting resin with Rich resin panacea(RRP) and without RRP( normal way ) were used in the resin collecting experiment of Pinus massoniana Lamb, in Paiyangshan forest farm, Guangxi.
用丰脂灵化学采脂和常规采脂对广西派阳山林场的马尾松进行采脂试验，并取样测定木材树脂道的数量、大小与分布及木材明子化程度。
The methods of collecting resin with Rich resin panacea(RRP) and without RRP( normal way ) were used in the resin collecting experiment of Pinus massoniana Lamb, in Paiyangshan forest farm, Guangxi.
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