core sample:核心樣本
音標:/?k??rs ?sɑ?mp/
基本翻譯:核心樣本是一種從地層或物體中取出的小塊樣本,用于地質學家的研究和分析。
速記技巧:記住“core”這個單詞,它還有“核心”的意思,再加上“sample”這個單詞,表示“樣本”,組合起來就是“核心樣本”。
使用場景:在地質學、考古學、環境科學等領域中,核心樣本是一種非常重要的研究工具。
Core Sample:
詞源:來自拉丁語“core”意為“核心”,加上“sample”意為“樣本”。
變化形式:在英語中,核心樣本的復數形式是coresamples。
相關單詞:
1. Core Drilling:核心鉆探,指在地質學中用于采集地下樣本的過程。
2. Sampling Error:抽樣誤差,是指在樣本數據中可能存在的偏差,與總體大小和樣本選擇有關。
3. Subsample:子樣本,是指在更大樣本中抽取的一部分數據,用于分析或測試。
4. Sample Size:樣本大小,是指用于統計檢驗的樣本數量,決定了抽樣誤差和置信區間的大小。
5. Bias:偏倚,是指在樣本數據中存在的偏差,可能與總體特征有關。
6. Random Sampling:隨機抽樣,是指從總體中隨機抽取樣本的過程,旨在減少抽樣誤差。
7. Representative Sample:代表性樣本,是指能夠代表總體的樣本,通常用于評估總體的特征或趨勢。
8. Non-Response Bias:非回應偏差,是指在抽樣過程中出現的回應率差異,可能影響樣本的代表性。
9. Substitution Sampling:替代抽樣,是指用其他方法代替傳統抽樣過程的方法,例如使用大數據或機器學習技術。
10. Sampling Frame:抽樣框架,是指用于確定樣本總體結構的數據框架,通常包括人口統計和地理信息等。
以上這些詞匯都與核心樣本相關,反映了其在科學研究和社會調查中的重要性和廣泛應用。
常用短語:
1. core sample
2. sampling
3. groundwater
4. sediment
5. aquifer
6. well
7. drill
8. test
例句:
1. We took a core sample from the ground to study the underground environment.
2. The scientist is sampling the sediment to find out more about the environment.
3. The well was drilled deep into the ground to access the clean water source.
4. We tested the soil for toxic substances using a core sample.
5. The aquifer is a crucial resource for future generations, and we must protect it.
6. Sampling is an essential part of scientific research, as it allows us to draw conclusions from data.
7. The core sample provided valuable information about the environment, which helped us make informed decisions.
英文小作文:
Title: The Importance of Groundwater Sampling
Groundwater is a crucial resource for many ecosystems and human communities, providing clean water for drinking, agriculture, and industry. However, groundwater levels and quality can be affected by various factors, including pollution, climate change, and human activities. To ensure the sustainability of groundwater resources, it is essential to conduct regular groundwater sampling to monitor water quality and quantity. Through sampling, we can identify any changes in water quality or quantity that may indicate a potential problem and take appropriate action to address it. Additionally, groundwater sampling can provide valuable information for planning future water management strategies and ensuring sustainable water use in our communities.