查询词典 of the period

In addition, since the back electromotive force occurring in an inductance element is cleared to zero during a half wavelength of period of the cosine wave, speed electromotive force can be measured by immediate shifting from a setting period to a measuring period.

另外，由于在余弦波的周期的半波长期间，使在电感元件中产生的反电动势VL清零，通过立即从设置周期转移到测量周期，能测量速率电动势。

The market information of certain period always is a kind of emersion of activity of economy of this period market and its attribute and report, it is a kind of of feature of change of development of activity of economy of this period market objective description.

一定时期的市场信息总是该时期市场经济活动及其属性的一种再现和反映，是该时期市场经济活动发展变化特征的一种客观描述。

With effective testing, the largest component of risk is from window period Risk is a function of window period times incidence of new infections Need to define window period Need to define incidenceUpdate by reference to test improvements

通过有效的检测，最大的风险因素来自窗口期风险是新感染窗口期的一个作用需要定义窗口期需要定义发病率参考检测技术的改进而更新

New methods for preventing and treating bottom water coning are found out through deeper understanding of the development practice and rational adjustment, which are to control liquid production in low water cut period, to produce oil and water simultaneously in medium water cut period, and to drill side - track well or to shut well down to kill coning in high water cut period.

针对小型块状边底水油藏特征，编制了适合油藏特点的开发方案，在开发实践中不断加深认识，合理调整，探索出低含水期控制液量、中含水期油水同采、高含水期老井侧钻、关井压锥等有效防治扣治理底水锥进的新方法，形成了小型边底水油田开发的成熟技术，实现了油田高速高效开发，为今后同类型油田的开发提供了借鉴。

According to these research, I divide the development of Sichuan lacquer wares into five stages: the early of the Warring States Period, from the mid-period of Warring States Period to early of Western Han Dynasty, from the mid-period of Western Han dynasty to early of Eastern Han Dynasty, the mid and late of Eastern Han Dynasty.

在此基础上，本人将战国秦汉时期的四川漆器分成四期五段，即战国早期、战国中晚期至西汉早期(分战国中晚期至秦和西汉早期两段)、西汉中晚期至东汉初期、东汉中晚期。

The change of REE composition between the upper and lower samples from Hongcan well implied the tectonic setting and property of the sediment provenance in Zoige Basin were altered obviously between late-period of Middle Triassic and mid-period or late-period of Late Triassic. This change was probably due to elevation and erosion of the matured continental crust on the east of Zoige Basin, and lots of clastic materials transported into the basin in late-period of Late Triassic.

通过对比杂砂岩稀土元素组成在上层和下层样品之间的变化，若尔盖盆地内中三叠世中期到晚三叠世中期及晚期沉积物源区的构造背景和性质发生了明显的改变，而这一变化很可能是盆地东侧成熟陆壳在晚三叠世后期被抬升和剥蚀，其大量碎屑物质被带到盆地的结果。

Using maximum flooding surface and local explosure erosion surface as the correlation framework surface in the 4-th hierarchical base-level cycles, sand-body in the 3-th hierarchical base-level cycles formed in the 4-th hierarchical base-level cycles may be correlated layer by layer. The law of the sand-body and the characters of reservoir heterogeneity formed in the 4-th hierarchical base-level cycles are discussed. The study shows:①During early period of the 4-th hierarchical base-level cycle rising, subaqueous distributary channel formed, continuously stacked vertically, and migrated in limit range laterally, and channel sand-body stretches farther longitudinally, and lacks interbeds of mud rock and siltsand in sand rock, reservoir heterogeneity is relatively weak.②During mid-period of the 4-th hierarchical base-level cycle rising, subsaqueous distributary channel migrated actively, channel divided and converged strongly to form netted sand-body and sand sheet mainly, but interbeds of mud rock and siltsand increases gradually in sand-body, reservoir heterogeneity increased.③During later period of the 4-th hierarchical base-level rising and early period of the 4-th hierarchical base-level falling, reservoir sand-body was poor, and only form thin sand-body of subsaqueous distributary channel, subsaqeuous creveas and distal mouth bar, sand-bodys are surrounded by mud and silt rock.

进一步采用以第4层次基准面旋回中相当最大湖泛面的相转换面和具有区域性暴露侵蚀作用的层序边界面为等时地层对比框架的边界，对发育于MSC2—MSC4三个第4层次基准面旋回的第3层次基准面旋回内砂体进行了逐层等时对比，探讨第4层次等时地层对比格架内储集砂体发育分布规律，及储集砂体的非均质性特点，研究发现：①第4层次基准面上升初期发育的水下分流河道，砂体呈连续叠置、侧向迁移受限，纵向上呈长距离延伸的带状产出，砂体间泥、粉砂岩夹层少，储层非均质性相对较弱；②在第4层次基准面上升中期发育的水下分流河道侧向迁移活跃，纵向延伸过程中分流汇合作用强烈，以形成网状或席状连片砂体为主，但砂体间泥、粉砂岩夹层逐渐增多，储层非均质性增强；③第4层次基准面上升晚期和下降早期，不利于储集砂体发育，仅出现少量薄的水下分流河道、水下决口扇、远—河口砂坝砂体。

Chapter 2 analyzes the traditional self-farming and farming-employed farming methods of the two main features; Chapter 3 is that about when the employer has been artificially cultivated after the elimination, only the self-farming; Chapter 4 is the traditional family smallholder farming production period on the way; Chapter 5 is a special historical period, the period of economic collectivization, In this paper, the period of collective farming as a total cultivated; Chapter 6 is still in accordance with the time and context with it. When the collective total cultivated end, after the family returned to farming, only this time, in family farming with the traditional small family farming periods vary. Chapter 7 is about modern machinery which widely practiced in another way when a new concept of farming and farming methods.

第二章主要分析的是传统社会自耕和雇耕两种耕作方式的主要特点；第三章介绍的是当雇耕被人为的消灭之后，只剩下自耕时的情况；第四章则是到了传统的家庭小农生产时期的耕作方式的介绍；第五章是一个特殊的历史时期，即集体化的经济时期，本文将这个时期的耕作方式称之为集体共耕；第六章仍旧是依照时间脉络顺之而下，当集体共耕结束后，重又回归到家庭耕作的方式，只是这时候的家庭耕作又与传统的小农家庭耕作时期有所不同；到第七章则是现代化机器广泛实行时的又一种全新的耕作理念和耕作方式。

Seven days before the menstrual period is 8 days after the safe period, under normal circumstances are the middle two months of the menstrual period is the ovulation period of 32 days.

月经期的前七天后八天是安全期，一般情况下都是两个月月经期的中间那三两天是排卵期。

The paper finds that Bukharin's early-period economic thought on the transitional period is presented in his understanding of the concept' transitional period' before the New Economic Policy period.

本文的研究表明。一方面，他对&过渡时期&概念的理解接受了一些马克思主义经典作家关于未来社会的预测。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。