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- The theory of infrasound wave s synthesis is introduced first in this paper,and the transmit equipment of infrasound wave is studied laterly. 本文介紹了一種次聲波的合成原理,并對次聲波的發(fā)射裝置進(jìn)行了研究,主要分析了超聲波換能器輸出波形對次聲波頻率精度的影響。
- Dehydroepiandrosterone(DHEA), a kind steroid hormone of the highest concentration in the plasma, is the intermedia product of the gonadal hormone’s synthesis. 脫氫表雄酮（DHEA）是性激素合成過(guò)程的中間產(chǎn)物，是血漿中濃度最高的類(lèi)固醇激素。大量的流行病學(xué)及動(dòng)物實(shí)驗均顯示，DHEA具有較好的預防和治療AS作用。
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過(guò)冬。
- Most plural nouns in English end in "s". 英語(yǔ)的復數名詞多以“s”結尾。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過(guò)多次已縮水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛(ài)好。
- Answer the following question(s). 回答下列問(wèn)題。
- Most plural nouns in English end in s'. 英語(yǔ)的復數名詞多以s結尾。
- D.D. Williamson Ingredients (Shanghai) Ltd. 威廉臣配料（上海）有限公司
- The drug affects one's power(s) of concentration. 這種藥影響人精神不能集中。
- From Jakarta, Lucy Williamson reports. 露西?威廉森在雅加達報道。
- Here are the designs. Which one(s) do you prefer? 這就是那些圖樣.;你喜歡哪一個(gè)[些]?
- Williamson, Robert Minard, Katherine M. 放大圖片 作者: Kenneth L.
- Which journal(s) do you subscribe to? 你訂閱哪一種雜志?
- The novel had an enormous vogue in the 1930's. 這本小說(shuō)在三十年代曾廣為流傳。
- He earned four A's in the final examinations. 他期末考試四門(mén)功課得優(yōu)。
- The Beatles were the pop idols of the 60's. 披頭士樂(lè )隊是六十年代人們崇拜的偶像。
- He returned to the fold at his 80's. 他在八十高齡又恢復原來(lái)的宗教信仰。
- She has an amused twinkle in her eye(s). 她高興得雙目熠熠發(fā)亮。
- Driving with worn tread(s) can be dangerous. 輪胎胎面磨損的汽車(chē)開(kāi)著(zhù)有危險。
