查询词典 major cycle

The first stage in the erosion cycle.

河水侵蚀了两岸的岩石。

Organic carbon burial forcing of the carbon cycle from Himalayan erosion〔J〕.

青藏高原东北部30 ka以来的古植被与古气候演变序列〔J〕。

The condition becomes a vicious cycle - erosion of the skin from licking leads to pain and itching, which leads to more licking.

该疾病会形成一种恶性循环-舌舔导致糜烂，继而引起疼痛和瘙痒，疼痛和瘙痒继而引发进一步的舌舔。

In recent years, Jilin Province takes as the national important industry and agriculture production base, its economy has obtained the huge development because of increasing the development dynamics, and it has consumed the massive land resource, but along with this, a series questions such as cultivated area reduction, land environmental pollution and soil erosion appeared. The positive cycle of ecosystem has already been destructed.

吉林省作为国家重要工农业生产基地，近年来，由于加大开发力度，经济取得了巨大的发展，消耗了大量的土地资源，但也随之出现了一系列诸如耕地面积减少、土地环境污染、水土流失等方面的问题，生态系统的良性循环已经受到破坏。

The team members ask the families a number of questions that pertain to the project. These include, among others, questions about the frequency and scale of flooding events by the river, the movement of the river channel, erosion, their migratory cycle during the year, whether they cultivate and/or collect wild plants, their views about the archaeological sites, etc.

队员们向采访家庭提出各种各样与研究计划有关的问题，其中包括河中发洪水的频率和规模，河床摆动、侵蚀，一年之中的迁徙循环周期，是否栽培或者采集野生植物，以及他们对考古遗存的看法等等。

Based on the analysis of sediment grain size,suspended matter concentration in the water and other indicators,and on the examination of tidal variation data in the Yangtze Estuary,we found that the seasonal erosion and deposition cycle is closely linked to the morphology,suspended matter concentration in the water,hydrodynamics,tidal variation,wind direction,etc.

通过对沉积物粒度、水体含沙量等指标的测试，并借助潮差等资料，探究了影响潮滩季节性沉积的因素，发现潮滩季节性沉积与潮滩基础地貌、水体含沙量、水动力、潮流等有密切关系；但在不同部位不同季节，各因素对潮滩冲淤影响程度各不相同。

Bromo-5-formyl -3-methylpyrrole is an important intermediate of tolyporohin. On the base of introducing the present research and development of tolypo- rohin and pyrroles ramification at home and abroad, an emphasis was made on synthesis of 2-Bromo-5-formyl -3-methylpyrrole and the technical conditions of all steps, which was described as follows. Diethyl 3,5-dimethylpyrrole-2,4-dicarboxylate was made by nitrification, reduction and cycle of ethyl acetoacetate.

由于2-溴-5-甲酰基-3-甲基吡咯是合成托尼卟吩的重要中间体，本文在阐述了当前托尼卟吩及吡咯衍生物的国内外研究和开发的基础上，重点研究了2-溴-5-甲酰基-3-甲基吡咯的合成，并对各步反应进行了工艺研究，具体合成步骤如下：本文通过对乙酰乙酸乙酯的亚硝化、还原、成环，反应生成吡咯单环衍生物2，4-二乙氧羰基-3，5-二甲基吡咯。

Adequate maintenance can prolong school buildings' life cycle, enhance quality of learning, and reduce unexpected repair expense, but it is also an ever-going unpredictable expenditure for schools.

适当的维修整建可以延长建筑物的生命周期，减少新设建筑物的建设费用，也是学校经营管理中需要持续处理，却难以预估的重要费用。

Thus, the intelligent heat exchanger can work economically and safely during the absterging cycle by approaching a point of the theoretically designed working condition.

在智能化的实时监控和变频调速下，使换热器能够在除垢期内逼近设计时的高效换热点经济安全运行，并为设备的预知维修和节能减排提供可靠的技术保证。

The 5 end of adenovirus DNA is bound to the terminal protein that was used in the previous replication cycle.

腺病毒5′末端结合前一次复制循环中使用的末端蛋白上。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"