The advent of globalization and the ubiquity of online dating has set the stage for new-age mail-order bride companies to gain unprecedented popularity. 全球化时代的到来,无处不在的在线相亲为新时代的邮购新娘企业提供了新舞台,让它们获得了前所未有的人气。
In addition, the same physiological stage of weight gain, after a reasonable consumption will remain at a relatively stable body weight level. 另外,同生理阶段的体重增加,在合理消耗之后会使体重保持在一个相对平稳的水平。
Effect of women with underweight in early pregnancy stage and weight gain during pregnancy on delivery outcome 孕早期体重过低及孕期体重增加对分娩结局的影响
The proposals which officials say are in the early stage of negotiations would see CNOOC gain control over one in six barrels of crude in sub-Saharan Africa's biggest energy producer. 上述提议意味着,中海油可能控制撒哈拉以南非洲最大产油国六分之一的原油储量。官员们表示,谈判仍处于早期阶段。
If we can persevere in the War of Resistance, in the united front and in the protracted war, China will in that stage gain the power to change from weakness to strength. 如能坚持抗战,坚持统一战线和坚持持久战,中国将在此阶段中获得转弱为强的力量。
WNSL and The FA must now stage two successful'ramp-up'events in order to gain the safety certificate. WNSL和足总现在必须举办2场成功的测试活动来得到安全许可证。
With that said, while the short-term charts exhibit a very positive character that should help setting the stage for further short-term gain, the upside reward could be limited to S& P1400. 由此看来,尽管短期图形非常有利,市场还将进一步走高,但是上行空间在标普1400点处受到限制。
Power efficiency is optimized by size scaling down scheme using low power single stage cascode amplifier with a gain boosted structure. 采用了低功耗的增益自举单级折叠级联运放,器件尺寸逐级减小进一步优化功耗。
The results show that at the initial stage, the gain is greatly affected by the perturbation initial phase. 研究表明:扰动的初相位对扰动增益的初值和初始阶段的演化规律有重要影响;
It points out that during the compensation process the energy spectra of electron beam cluster is compressed, the electron number density distribution in the beam cluster modulated, which enables the realization of the oscillation of the second stage FEL and significant increase of practical gain per pass. 指出在补偿过程中电子束团的能谱将被压缩、束团中的电子数密度分布将被调制,从而能够实现二阶自由电子激光振荡,并且可以大大提高实际单程增益。
The association of protein polymorphism with birth weight and early stage daily gain in pig 甘肃黑猪血浆蛋白多态性与初生重、早期日增重关系的研究
As parenteral alimentation may easily cause ductus-related infection and "excessive nutrition", it should be emphasized that it is safe and effective to put nasojejunal tube below Treitz ligament in the early stage to gain enteral nutritional support. 因肠外营养易发生导管相关性感染及过度营养的问题,故强调早期放置鼻空肠管到Treitz韧带下方进行肠内免疫营养支持是安全有效的。
An optimal design of CMOS in fully differential two stage OTA is presented in this paper. The OTA contains a folded-cascode input stage and a common-source output gain stage. Cascode compensation technique and switched capacitor common mode feedback technique are used. 介绍了一种CMOS全差分两级OTA,第一级为折叠级联放大器,第二级为共源输出增益级,OTA技术采用了级联密勒电容补偿技术和开关电容共模反馈技术。
The design of a fully differential CMOS sampling holding circuit and inter stage subtract gain circuit used in 10 bit 30 M sample/ s pipelined ADC is presented in this paper. 介绍一种10位分辨率、30MHz采样频率流水线操作A/D变换器中的CMOS全差分采样-保持(S/H)电路和级间减法-增益(SUB/GAIN)电路的设计。
The principle figures of input stage middle gain stage and output stage for a usual two stage low-voltage CMOS operational amplifier and their principal performance are presented in the paper. 给出了一种常用两级低电压CMOS运算放大器的输入级、中间增益级及输出级的原理电路图,并阐述其主要工作特性。
The different points are, in this stage, the daily weight gain of the Taiwan population is about 10% higher than that of the Taihu population, and the variations of body weight are rather slight. 不同点是,在这一阶段,台湾鳖的日增重率较太湖鳖平均高出10%左右,且个体间生长差异较小。
Further analysis of the gain of the laser on the starting stage showed that the gain at the main cavity is unsymmetrical with the central wavelength of fiber gratings, which leads the unsymmetry of the spectrum of the output laser pulses. 对振荡初期增益的研究表明,主腔增益在光纤光栅中心波长两侧有明显的不对称性,这将会造成激光器输出光脉冲光谱的不对称性。
NDT and DSP technology are close connected. The importance of signal processing stage is not inferior to signal gain stage. 无损检测技术与数字信号处理技术紧密相连,并且信号处理阶段的重要性丝毫不亚于信号的获取阶段。
The second stage achieved a frequency double with gain by field effect transistor. 第二级采用有源倍频方式,以晶体场效应三极管实现有增益的二倍频。
The common-emitter structure is used in input stage design, with emitter series feedback inductance for input matching. The Darling structure is used in secondary stage design to provide suitable gain for input signal. 该低噪声放大器电路的输入极采用共发射极结构,利用发射极反馈电感来进行输入匹配,第二级采用达林顿结构对信号提供合适的增益。
The second of experiment have 40 days, the final 30 days is experimental stage, the intake 、 daily gain and body measurement of bulls on the initial 3 days and final 3 days in this stage. 试验2为40天,后30天为正试期,在正试期前3天和最后3天测定每头杂交公牛的采食量、日增重和体尺的变化,并计算做经济效益分析。
In this design, a 2 stage structure with proper distribution of gain and noise, realizes the mixer buffering, DC cancelling and baseband low noise amplification. 芯片中使用2级串联输入负反馈级联结构放大器,通过合理分配增益和噪声指标,同时实现了无源混频器输出缓冲,直流消除,和基带低噪声信号放大的功能。
Using a reformative redundant stage, gain errors are measured by PR ( pseudo-random) signal being injected at sub-DAC output and compensated in background according to the estimated value. 该方法应用改进冗余位结构,通过在其子DAC输出端引入伪随机信号测量级间增益,并利用此估计值在后台进行增益误差补偿。
The input stage of the first-stage amplifier is designed according to the minimum noise coefficient matching, and the output stage is designed according to the maximum gain matching. 第一级放大器的输入级按照最小噪声系数匹配进行设计,输出按最大增益匹配进行设计。
Depending on optimization of gate bias, the conventional bias optimization technology for linearity with low gain and narrow adjustment range has been avoided. At the same time, by weakly negative feedback technology in the first stage, the gain is increased without cost of power dissipation. 通过优化偏置电压,避免了传统高线性度偏置电压的增益低和工作电压范围窄的缺点;通过第一级电路采用弱负反馈技术实现在不增加功耗的前提下提高增益。
The results show that the grain production in Henan province is still in the traditional agriculture stage, where to increase gain production mainly mainly relys on the increase of conventional input factors. 结果表明河南省粮食生产仍处于传统农业阶段,主要依靠常规投入要素来增加产量。