查询词典 Buck

Pearl S. Buck studies1. Pearl S. Buck Studies in the Context of Globalization;2. Relatively speaking, recent Pearl S.

近年中国赛珍珠研究取得了较为丰硕的成果，但相对于赛珍珠作品的数量和质量而言，已有的研究还很不够。

The unified discrete iterative map model of peak current and valley current controlled buck, boost, and buck-boost converters is established, and the unified piecewise smooth iterative map and their corresponding characteristics equations are also derived.

本文建立了峰值电流和谷值电流控制Buck，Boost，及Buck-Boost变换器的统一离散迭代映射模型，并导出了统一的分段光滑迭代映射方程及特征值方程，通过数值仿真得到了占空比变化时的正、逆分岔图和Lyapunov指数谱。

Every level presents new and exciting opportunities to defeat enemies with Sid's spin attack, utilize Buck's lasso to swing across treacherous landscapes, avoid obstacles as Scrat using his wall jumping and ceiling crawling abilities and escape from perilous situations flying on the back of a pterodactyl with Buck, Crash and Eddie.

每一级提出新的和令人兴奋的机会克敌制胜的希德的旋转攻击，利用勃克穆利的拉索挥杆的奸诈景观，避免障碍Scrat利用自己的墙壁和天花板爬行跳跃能力和逃避危险的情况下飞行的背面的pterodactyl与勃克穆利，崩溃和埃迪。

Skeet made friends with Buck immediately,and while Buck was still very ill, every morning she washed his cuts carefully with her tongue.

斯开特立刻同巴克成了朋友。当巴克仍然非常虚弱的时候，每天早晨她都用舌头舔净他的伤口。

BUCK circuit for a buck or step-up transformer, the output voltage v0 is greater than or less than the average input voltage U opposite polarity, capacitance transmission.

BUCK电路一降压或升压变压器，其输出平均电压v0大于或小于输入电压U极性相反，电容传输。

Buck and Boost topology switching power conversion circuits as the core of this system, ultra low power MSP430F1222 microcontroller-based controller, microcontroller produced by the PWM pulse width modulation signals, respectively, two-way control switch voltage conversion circuit the turn-on and turn-off in order to achieve the above two kinds of topology switching power conversion circuit, and then to draw power from the flow of electrical energy has been filled into the rechargeable battery, and using microcontroller A / D input voltage implementation of the monitoring, according to the input voltage switching buck - circuit at a lower cost to achieve a highly efficient energy transfer, and the circuit is simple, the parameter to determine easy, self-low power consumption,to achieve full-featured.

本系统以Buck降压和Boost升压拓扑结构开关电源变换电路为核心，以超低功耗单片机MSP430F1222为主控器，由单片机产生PWM脉宽调制信号，分别控制两路电压变换电路中开关管的导通与关断从而实现以上两种拓扑结构开关电源变换电路，进而从一直流电源中吸取电能充入可充电电池，并利用单片机A/D对输入电压实施监测，根据输入电压切换升降压电路，以较低的成本实现了高效率的电能转移，并且电路简单、参数确定容易，自身功耗低，实现功能完整。

Then we had the famous Buck's beaming-at Buck's restaurant in Woodside, which is sort of the home away from home for many VCs.

接着我们得到了著名的Buck's关注--在Woodside的Buck's饭店，它没有和其他风险投资者的家有些距离。

The results indicate:(1) The buck has some behaviors in mating season, for instance, anogenital sniffing, raking the soil etc. Its bedding and conflict interaction is different, and its anogenital sniffing is different remarkably for buck and does.

研究结果表明：(1)在交配季节，雄狍具有卷唇嗅闻、扒土等行为；雄狍与雌狍的卧息、冲突行为差异显著，尾阴探究差异极显著。

And a series of new control type soft switching topologies, such as Buck, Boost, Buck-boost, Cuk, Zeta, Sepic, Flyback, and Forward are constructed by using the theory of five characteristics.

接着应用 5 个特征理论推导和构造出Buck、Boost、Buck-boost、Cuk、Zeta、Sepic、Flyback、Forward等一系列拓扑的控制型软开关的实现方法。

With the capability to be configured in a Buck, Boost, Buck-Boost, or SEPIC topology, and an input and output operating voltage rating of 75V, the LM3429 is ideal for illuminating LEDs in a very diverse, large family of applications.

NS 公司的LM3429是多用途高压 LED驱动器控制器，可以配置成降压，升压，升/降压或SEPIC拓扑，输入和输出的工作电压额定值为75V，内部的PWM控制器可调开关频率高达2MHz。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。