该钻孔尺寸选定应提供足够有代表性的样本，剖析材料和参考。
The drill hole size selected should provide sufficient representative sample material for analysis and reference.
标准手艺，其中的表示方式应记录在案的标准或方法，确定并批准了有代表性的样本。
Criteria for workmanship which shall be expressed in documented standards or by means of identified and approved representative samples.
对于数据为中心的组件，例如数据列表，可以导入数据(文本或图像)的有代表性的样本。
For data-centric components, such as a data list, import a representative sample of the data (text or images).
目前有许多处理正面视觉人脸的识别方法，当有充分数量的有代表性的样本时，能取得较好的识别效果。
At present there are many methods that could deal well with frontal view face recognition when there is sufficient number of representative training samples.
第二个要问的问题是，样本是否有代表性？明白我的意思吗？
The second question to ask is whether the sample is representative? See what I mean?
再次，样本有多大的代表性？
在这样的情况下，数据分析师必须从现有的测试数据或生产数据生成有代表性的数据样本。
In such cases, the data analyst must build representative data samples from existing test data or sample the production data.
这个研究中数据来源于英国家庭状况调查，它是一个对有代表性的英国家庭样本的年度调查。
For this study, the investigators gathered data from the British household Panel Survey - a yearly questionnaire of a nationally representative sample of UK households.
然后再选取有代表性的客户样本，举行一些开放式的访谈，以较为松散的方式观察他们的现场反应。
Then do some open-ended interviews and unstructured live observations with a representative sampling of your customers.
在这有限的样本有足够的代表性的条件下，可以较好地逼近真实的听觉特性。
And under the condition that there are sufficient and representative samples, the network will come close to real auditory characteristics satisfactorily.
切记，世界上绝大多数统计都不是把所有统计对象问个遍，大部分是选取有代表性的、不能被证明无效的样本。
Moreover, it is important to note that this data collection is in line with normal statistical practice. Most studies are based on typical and effective samples.
切记，世界上绝大多数统计都不是把所有统计对象问个遍，大部分是选取有代表性的、不能被证明无效的样本。
Moreover, it is important to note that this data collection is in line with normal statistical practice. Most studies are based on typical and effective samples.
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