短語和例子 D flat 【音樂】降 D 調。 D major [minor] 【音樂】 D 大調[小調]。 D sharp 【音樂】升 D 調。 a D student 劣等生。 a D slide valve D 形滑閥。 短語和例子 CD ＝ 400. DC ＝ 600.
the 4th letter of the Roman alphabet 同義詞：D,
denoting a quantity consisting of 500 items or units 同義詞：five hundred, 500,
D (named dee "D" Oxford English Dictionary, 2nd edition (1989); Merriam-Webster's Third New International Dictionary of the English Language, Unabridged (1993); "dee", op. cit.
例句與用法
1.
Equation 13. 3-9 is of the van der pol form . 133-9式具有范德波爾形式。
2.
The boundary homorphism d is defined as follows . 邊緣同態d按以下方式來定義。
3.
D is called the domain and its elements are places . D稱為域，而它的元素稱為位。
4.
This relationship will be the object of section d . 該相互關系將是D節討論的主題。
5.
We now write two equilibrium equations for joint d . 現在列出節點D的兩個平衡方程。
6.
The equivalent loading is shown in fig. 1-24(d) . 圖1-24（d）則表示出了相應的載荷。
7.
The molecules are held together by van der waals forces . 分子是由范德華力約束在一起的。
8.
The torque applied to the whole assembly was measured at d . 整個組件所受的轉矩可在D上測出。
9.
4 gradient arrays marked a, b, c and d were set up . 布置了編號為A，B，C，D的四個梯度排列。
10.
Infants are particularly susceptible to vitamin d intoxication . 嬰兒尤其容易引起維生素D中毒。
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