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- Discussing Anology and Metaphor of Liu Yuxi's Poems in the Earlier and later Periods of His Relegation 刘禹锡贬谪前后期诗比兴手法初探
- the earlier and later periods 前后期
- A long-term graph of the Vix hints at cyclicality, with periods of great choppiness in the early and late 1990s book-ending an era of relative calm in the middle of the decade. Vix的长期图像也暗示着周期性，1990s的早期和末期呈现大量的波浪，夹在中间的90年代中期却是一段相对平静的时期。
- Isotopic ages of the two-s tage diabase sills are 706-723 Ma and 604-654 Ma， respectively，corresponding to the early and late Sinian period. 稀土元素配分模式为轻稀土富集型，但稀土元素分馏并不强烈。
- This paper compares the folkways &customs in the early period of Ming Dynasty with those in the middle and late periods of Ming Dynasty and analyses the reasons for the changes. 通过对比，分析了明代河南风俗传承与转变的原因。
- He is studying English early and late. 他一天到晚都在学英语。
- The ibises exhibited significant difference in selecting rice field or marsh for feeding, and different rhythm of diurnal behaviors between early and late period of the acclimation. 野化过程中，朱鹮能较快适应网笼内的各种夜宿、觅食环境，并具有良好的飞行、警戒能力。
- The preliminary studies show that all these stone artifacts are from Xiashu bess and belong to the middle and late period of the Middle Pleistocene Epoch (the early period of the Paleolithic Period). 初步研究表明，石制品均出自下蜀黄土中，地质时代大约为中更新世中晚期，即旧石器时代早期。
- There is a sharp contrast between his earlier and later works. 他的早期作品和晚期作品截然不同。
- The result showed that the average biomass of Oocystis borgei in the early, middle and late period of prawn culture was 98.02 %, 78.89% and 45.12%, respectively of the total microalgae. 结果表明：养殖前、中、后期，波吉卵囊藻平均生物量占浮游植物总生物量分别为98．02%25、78．89%25和45．12%25，成为虾池中的绝对优势种；
- Meanwhile the early and later irradiation experiences of metallic fuels were summarized, including the limits of burnup which had been demonstrated. 随后整理早期、后期金属燃料的辐照经验，给出已验证的最大燃耗深度。
- The overprinted part of the early and late stages is the ore shoot part in the ore area. 早晚两期成矿叠加部位构成矿区内富矿段。
- Objective To determine the early and later effects of T no-stitch trabeculotomy for primary glaucoma plus cataract during phacoemulsification. 目的:评价T字活瓣式小梁切开超乳白内障摘除人工晶体植入(三联术)治疗青光眼合并白内障患者的近期和远期疗效。
- This paper is a continuation of the papers on lithofacies palaeogeography of the Early, Middle and Late Cambrian and the Early and Middle Ordovician. 摘要本文是笔者等的中国早、中、晚寒武世和早、中奥陶世岩相古地理诸文的继续。
- For alphabetic languages, many studies have shown that phonemic awareness is closely associated with reading ability in the early and later years of schooling. 对于字母语言来说，许多研究表明，音素意识与早期和学校教育后期的阅读能力密切相连。
- In mouse of DTH models upon challenge with PC, obserseved he effects of EAL on the early and late phases by administration after antigen challenge. 对氯化（金苦）(PC)诱发的小鼠迟发型变态反应(DTH）模型，用鬼箭羽醇提物及总黄烷于抗原攻击后给药，观察其对DTH效应。
- There is a notable difference between his earlier and later writings. 他的早期作品和后期作品之间有明显的差异。
- In refractory patients,complete remission(CR)was achieved in 19 cases(44.2%),whereas in the early and late relapsed patients were 13.2%(5/38)and 73.9%(34/46),respectively. 难治性患者、早期复发及晚期复发患者的完全缓解(CR)率分别为44.;2%25(19/43例)、13
- The key to the good quality reservoir is leached grains and the dissolutions of the early and late carbonate cements,framework grains(feldspar,volcanic fragments) and clay ... 下白垩统碎屑岩储集层成岩作用特征及其演化的影响因素主要包括:储集层结构成熟度、成分成熟度,构造环境,油气充注时间。
- The earlier plans were thrown aside and shelved. 早些时候订的计划没人过问了。
