useful expressions 中文意思是什麼
useful expressions
解釋
常用短語- useful : adj. 1. 有用的，有益的，有效的，有幫助的。2. 〈俚語〉值得稱贊的，精通…的 （at）。adv. -ly ,-ness n.
- expressions : 愛碧身
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I hope you will find w3eval to be a useful online tool for evaluating expressions in a way that is more natural than the classical method
我希望您會發現w3eval是個對表達式求值有益的在線工具，它在某種程度上比經典的方法更簡單自然。 -
As all idiomatic expressions, they are useful and enjoyable to know 5and understand, but should be used with care
使用習語，成語可以讓你顯得很幽默，有趣，也可以讓別人覺得你很自以為是，讓人討厭。 -
We learned many useful expressions from this book
從這本書中我們學到了不少有用的表達法。 -
This program creates truth tables from boolean expressions. i believe that it ' s very useful for computer science students who learning boolean algebra and predicate logic ( like my self )
這個程序從布爾表達式中創建真實的表格。我相信對于學習布爾代數學和謂詞邏輯的計算機科學學生（像我自己這樣的）來說它是非常有用的。 -
The learners can also learn useful everyday expressions and dialogues to lay a solid foundation for further learning of chinese
學生在學習中還可以掌握基本的生活用語和對話，為進一步提高漢語水平打下良好基礎。 -
Remember useful expressions, and make sure it ' s right. practice makes perfect
熟記常用語，確保準確無誤。把常用的交際用語背熟，俗能生巧。 -
The raw mode is most useful when you have to enter lots of backslashes, as can be necessary in regular expressions
行模式在你需要輸入很多個反斜杠時很有用，可能會用於正則表達式。 -
Is most useful prior to switch statements and or conditional expressions
最適合用在switch語句和/或條件表達式之前。 -
I find idioms and useful expressions hard to learn
我發現習語和有用的短語很難學。 -
Yang mei : quite well, thank you. my grammar is improving, but i find idioms and useful expressions hard to learn
楊梅：很好，謝謝你。我的語法在進步，但我發現習語和有用表達很難學。 -
Therefore, an index is not useful on expressions that do not use sarg operators
因此，對于不使用sarg運算符的表達式，索引是沒有用的。 -
It is useful for teaching regular expressions and state machines
它有助於講授正則表達式和狀態機。 -
Now, my class, close your books and sum up the useful expressions in this topic. ok
要求學生合上書，歸納總結一下本話題中有用的表達法。 -
T : now, my class, close your books and sum up the useful expressions in this topic. ok
要求學生合上書，歸納總結一下本話題中有用的表達法。 -
Read our list of useful expressions to use in life ' s special and serious situations
看一看我們列出的實用表達法，可以在生活中的特殊或者嚴肅的場合派上用場。 -
Useful expressions are like “ when there ' re many tasks on hands, i know which should be done first ”
比如， 「我有很好的時間管理能力，在手頭工作繁忙的時候，我十分清楚我該最先完成哪一件。 」 -
Multiple - column indexes are useful for evaluating filter expressions that match a prefix set of key columns
對于計算與預先指定的一組鍵列匹配的篩選表達式，多列索引是非常有用的。 -
Using the above method, the analytic expressions of response and dynamic reliability are got. 3, on the basis of the above analytic expressions, taking the isolation or seismic decrease coefficient ( the ratio of the standard deviation of the response of structures ) as the optimal objective function, the parameters of the isolation and seismic decrease equipment are optimized. an optimal design method and some useful data are achieved and it can be used in the practical project
3 、在基礎隔震結構、 「加層減震」 （ tmd減震）結構隨機地震響應解析表達式的基礎上，以結構在有、無隔震或tmd減震裝置情況下的隔震或減震效果指標（結構位移響應標準差之比）為優化目標函數，對隔震和tmd減震裝置的參數取值進行了優化，得出了可應用於工程實際的優化設計方法和一些有用的數據，可應用於指導工程設計。
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