| 1. | Ribose and deoxyribose are constituents of the nucleic acids rna and dna .
核糖与脱氧核糖分别是核糖核酸与脱氧核酸（DNA）的结构成分。 |
| 2. | The investigation of its infinitely small components had to await the development of optical methods and is of relatively recent origin .
要研究其无数小的结构成分，必须有待于光学方法的发展，因而其起始较晚。 |
| 3. | Variation of modern chinese sentence structure and its semantic result
近代汉语几种句式结构成分的变化及其句法后果 |
| 4. | Ribose and deoxyribose are constituents of the nucleic acids rna and dna
核糖与脱氧核糖分别是核糖核酸与脱氧核酸（ dna ）的结构成分。 |
| 5. | A tough , insoluble protein substance that is the chief structural constituent of hair , nails , horns , and hoofs
角蛋白一种不溶解的较硬的蛋白物质，是头发、指甲、角和蹄的主要结构成分 |
| 6. | The study significance and status of food web in soil are analyzed and the function of soil food web in soil ecosystem is also stated
简述了土壤食物网的研究意义及国内外研究现状，阐明了土壤食物网各结构成分在土壤生态系统中的功能作用。 |
| 7. | The skin biopsies showed increased production of glycosaminoglycan and procollagen - - structural components of the skin - - on the arms that received the retinol lotion
皮肤活检揭示了涂抹视黄醇润肤乳后，手臂皮肤结构成分中的葡糖胺聚糖和前胶原含量增多。 |
| 8. | The present paper reveals that there are asymmetric distributions of different types of questions across generic structure components of the discourse and that different types of questions in different generic structure components enact different speech acts
研究发现，在求职面试语篇中，不同类型的问题不均匀地分布在各语类结构成分中，实现不同的言语行为。 |
