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- The base ratio of 1:1 for the bases adenine and thymine and the bases cytosine and guanine was the first clue to the specificity of BASE PAIRING in the nucleic acids. 在核酸中的碱基配对高度专一性的原则决定了腺嘌呤与胸腺嘧啶，或鸟嘌呤与胞嘧啶之间的比值为1：1。
- Firstly,block edges is extracted directly from compressed domain without decompressing.Secondly,network flow based ratio contour algorithm is used to extract salient closed boundary. 从压缩域直接提取块边缘,使用基于网络流理论的比率轮廓算法从块边缘图像中提取显著闭合边界,用傅立叶描述子刻画显著闭合边界,进行图像检索。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
- HPLC Method for Analysis of Base Ratio in Synthetic Oligonucleotides 错位双链寡核苷酸中碱基比例的测定研究
- Her heavy industry rests on a broad and firm base. 它的重工业有广泛坚实的基础。
- He caught me off base with that question. 他的问题猝然把我给问倒了。
- The bombers swooped on the air base. 轰炸机突袭空军基地。
- Many languages have Latin as their base. 许多语言都以拉丁语为基础。
- His base conduct was condemned by everyone. 他的无耻行为受到所有人的谴责。
- His idea is completely off base. 他的想法大错特错。
- Two soldiers dismounted the gun from the base. 两个战士把炮从底座上卸下来。
- In a poor, lowly, or base manner. 简陋地，谦卑地，卑鄙地
- The sea washes the base of the cliffs. 海水拍打著悬崖的底部。
- To betray a friend is a base action. 背叛朋友是卑劣的行为。
- The pilot was trying to make contact with his base. 飞行员正试图与基地联系。
- There used to be a military base in the region. 这地区过去有个军事基地。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- The ex-convict found a base employment for himself. 那个过去被判过刑的人找到了一份卑微的工作。
以上内容独家创作，受著作权保护，侵权必究
海词词典，十七年品牌
