Given the number of desired clusters, randomly select that number of samples from the data set to serve as our initial test cluster centers.
理想的群集数量给定后，就可以随机地从数据集选择该数量的样例来充当我们初始测试群集中心。
Hydrogen breath test for diagnosis of lactose malabsorption: the importance of timing and the number of breath samples.
氢呼气试验诊断乳糖吸收障碍：呼气样本的数量和时间的重要性。
You can simultaneously test 12 block samples, equipped with electronic counter can be set to record the number of times to loop.
可同时测试12块试样，配有可预设置电子计数器，记录循环次数。
The traditional regression analysis is only suitable to complete data from normal distribution. In engineering, censored data is analyzed by group test method that requires a large number of samples.
传统回归分析只适用于来自正态分布的完全数据，对于截尾数据或威布尔分布数据则无能为力，目前工程上只能采用成组试验方法，结果导致试验量很大。
Only a few number of samples have cerlified value of Au-Ag contents. The test methods of gold and silver were discussed in the second section. The comparison and application of the classical fire as…
第二部分讨论了金和银的测试方法，较详细地讨论了古典火试金、容量法和化学富集原子吸收法的对比及应用。
Samples are typically limited to 1-3 pieces of standard part Numbers and exclude test sockets. Please provide your preferred shipping method and account number ex.
一般而言，样品只限于1至3只标准型号产品及不包括测试插座。请在评语部份提供货运方式及账号(例如ups或FEDEX账号)。
Samples are typically limited to 1-3 pieces of standard part Numbers and exclude test sockets. Please provide your preferred shipping method and account number ex.
一般而言，样品只限于1至3只标准型号产品及不包括测试插座。请在评语部份提供货运方式及账号(例如ups或FEDEX账号)。
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