DEMA

DEMA音标的基本翻译是“元音清高、浊低、半元、咽”。速记技巧是“分音节、记字母”。具体来说，这个音标系统将英语中的元音分为四个等级：高元音、中元音、半元音和咽元音。其中，高元音包括/i:/、/ə:/、/ʊ:/；中元音包括/ə/和/e/；半元音包括/æ/；咽元音包括/ɑ:/、/eɪ/、/ɪ/、/ɔ:/、/ɒ/、/u:/等。速记这个音标系统时，可以按照音节分字母的方法来记忆，例如将元音分为字母组合i、e、a、o，辅音字母b、c、d等。这样可以帮助更快地记住每个音标对应的发音。

以上内容仅供参考，建议咨询专业英语老师获取更准确的信息。

DEMA这个词的英文词源可以追溯到拉丁语词“de”和“memor”，意为“记忆”。它的变化形式包括“demeo”和“dēmeō”，表示“我记忆”或“记忆我”。

相关单词：

Memory：记忆，这个词直接源自DEMA，表示对过去事件的记忆。

Remember：记住，这个词由RE-和-member组成，表示对过去事件的回忆或记住。

Memorandum：备忘录，这个词由拉丁语词“memor”和“-andum”组成，表示需要被记住的事情。

Memorization：记忆，这个词表示通过记忆来记住信息或材料。

Demeaning：贬低的，这个词由DEMA和-ing组成，表示对某人或某事的轻视或贬低。

以上这些单词都与DEMA这个词源有着密切的关系，它们都表示对过去事件的记忆或对需要被记住的事情的强调。这些单词在英语中广泛使用，并且在不同的语境中有着不同的含义和用法。

DEMA短语：

1. by the same DEMA

2. DEMA-based

3. DEMA-related

4. use DEMA for

5. take DEMA into consideration

6. investigate DEMA

7. study DEMA in detail

例句：

1. The results were based on DEMA data.

2. We need to use DEMA for this project.

3. The company takes DEMA into consideration when making decisions.

4. The investigation into DEMA revealed some surprising findings.

5. We need to study DEMA in detail to understand its impact on the economy.

6. The impact of DEMA on the environment needs to be investigated further.

英文小作文：

Title: The Importance of Data Envelopment Analysis (DEMA) in Business Management

Data Envelopment Analysis (DEMA) is a useful tool for measuring the efficiency of businesses and comparing them with their competitors. By using DEMA, businesses can identify areas where they can improve and make better decisions about their operations and investments.

DEMA helps businesses to identify bottlenecks in their production processes and identify areas where they can increase their productivity and profitability. It also helps businesses to identify areas where they can reduce costs and increase their efficiency by using more advanced technologies and tools.

In conclusion, Data Envelopment Analysis (DEMA) is an essential tool for businesses to measure their efficiency and make informed decisions about their operations and investments. By using DEMA, businesses can improve their performance and increase their competitiveness in the market.