- investigationinvestigation stage 侦查阶段；勘察阶段
soil investigation 土质甸；土壤甸；土壤调查
judicial investigation 司法调查；法院调查
ground
- samplesample 水样
standard sample 标准样品
sample survey 抽样检查；先行甸；样品鉴定
test sample 试样；试棒
random sample 随机样本；随意抽取
- samplinginvestigation 抽样调查
sampling rate 采样率；抽样率
sampling frequency 采样频率；取样频率；抽样频率；量化频率
sampling survey 抽样调查；样本甸
- surveymarket survey 市场调查
general survey 综合评述；一般检验
sample survey 抽样检查；先行甸；样品鉴定
survey method 调查法，鉴定法
survey
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