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- Because the nucleus of the most common isotope of carbon, carbon 12, has zero spin in total, the group used carbon 13 atoms, whose nuclei have the spin of their one extra neutron. 由于碳12(最常見(jiàn)的碳同位素)原子核的總自旋為零,所以這個(gè)小組使用碳13,其原子核自旋來(lái)自多出來(lái)的中子。
- My extra earnings came in very handy. 我的額外收入可備我不時(shí)之需。
- This extra strong glue should do the job nicely. 這種超強度膠應該管用。
- She decided to rent out a room to get extra income. 她為獲得額外收入決定租出一個(gè)房間。
- She's always saddling extra duties on me. 她總是把額外責任加到我身上。
- The brackets want an extra screw. 托架需要再加一個(gè)螺釘。
- He paid the extra cost without a murmur. 他付了額外的費用而毫無(wú)怨言。
- This dress is of extra fine quality. 這件衣服的質(zhì)地特別好。
- Our immediate requirement is extra staff. 我們亟需增加工作人員。
- Extra work kept him (late) at the office. 他因有額外的工作,(很晚)仍留在辦公室里。
- She decide to rent out a room to get extra income. 她為獲得額外收入決定租出一個(gè)房間。
- The seat back is raked for extra comfort. 這椅背向後傾斜更加舒適。
- I have to be at the office extra early tomorrow. 我明天必須很早就到達辦公室。
- He received triple pay for his extra work. 他因超額工作得到三倍的報酬。
- They announced that she would give one extra song. 他們宣布說(shuō)她將再唱一首歌。
- Put an extra woolly on when you go out. 出去時(shí)多加件毛衣。
- I don't suppose they wanted any extra help. 我想他們不需要額外幫助。
- The farmer hired extra workers for the harvest. 農人為收割額外雇了工人。
- A proton or a neutron, especially as part of an atomic nucleus. 核子質(zhì)子或中心,尤指作為原子核的一個(gè)組成部分
- The extra two-day holiday was a real bonus. 外加的兩天假期真是額外之所得。