The President's choice of a replacement for the White House lawn gives him an unprecedented opportunity to reinvent the American front yard -- and, in the process, promote a saner approach to the environment.

總統(tǒng)替換白宮草坪的選擇讓他得到一個(gè)前所未有的機(jī)會(huì)去重新改造美國(guó)人的前院——并且在這個(gè)過程中，促進(jìn)了一個(gè)對(duì)環(huán)境更明智的方法欧美交a欧美精品喷水。

This study seeks to explore an effective approach to improve the efficiency of English writing.

本研究的目的在于探索一種有效的寫作法以便提高學(xué)生英語寫作的效能欧美大片天天爽。

Discuss your approach to the development of sight-reading and aural ability and the ways in which these skills are of benefit to the complete musician.

討論您如何訓(xùn)練學(xué)生的視奏和聽覺能力，以及這些能力對(duì)演奏者來有何幫助日韩最大的男女视频网站。

"Top-down approach"to developing a car tyre: The paws of big cats serve as a model, with their excellent ability to transmit power during acceleration, their tremendous grip in bends, and their method of splaying the contact surface when braking.

&自上而下辦法&日韩黄色免费电影网站，以發(fā)展汽車輪胎：大貓的爪子作為一種模式，其傳輸能力出色欧美黄色一、二区性交，在加速能力中文字幕无码专区，他們?cè)诰薮蟮奈諒澢约八麄兊臄U(kuò)張方法接觸面剎車時(shí)北京熟女大叫喊爽视频。

So in practically, squashing the armchair carbon nanotube can be used as a general approach to drive the metal-to-semiconductor transition.

因此在實(shí)際應(yīng)用中激情视频激情文学在线，對(duì) armchair 碳納米管進(jìn)行壓縮能夠作為一種普遍的獲得金屬-半導(dǎo)體轉(zhuǎn)變的途徑。

New York City, for example, used the logic to justify a "zero tolerance" approach to things like the squeegeeing of car windows.

紐約市就曾以這個(gè)邏輯為依據(jù)對(duì)一些不良行為實(shí)施&零容忍&91中文字幕国产，比如在車道上招攬生意国内精品免费视频在线拍，為司機(jī)清洗車窗的行為。

The company owes its success to its dynamic approach to business and careful attention tots customers' needs.

公司將其成就歸功于機(jī)動(dòng)靈活的行銷策略及對(duì)顧客需求的關(guān)照男女交性无遮挡在线观看。

Considering the inconvenience of regulation and difficulty of parameter tunning as AC servo system in practical situation, three ways of intelligent control approach to realize auto-tuning and autorecognization of AC servo system, are proposed, which is a robust controller based on two-degrees-offreedom with no tuning to controller, a auto-tuning controller based on fuzzy reasoning with no inertia recognization but tuning parameter of controller, a strategy recognizing inertia of servo system and tuning parameter or structure of controller automatically. In the same time, these control strategies are analyzed from the theory and reliability. The comparative analysis of three measures on strong and weak points is made by simulation and experiment results.

針對(duì)交流伺服系統(tǒng)在實(shí)際應(yīng)用中存在的系統(tǒng)調(diào)試不便国内揄拍国内精品视频、參數(shù)調(diào)整困難等問題，提出了實(shí)現(xiàn)交流伺服系統(tǒng)自調(diào)整和自識(shí)別等智能化控制策略的三條途徑：一是具有控制器無調(diào)整特點(diǎn)的二自由度魯棒性控制器精品国产欧美一区二区五十路；二是慣量無識(shí)別但需自動(dòng)調(diào)整控制器參數(shù)的模糊推理自調(diào)整控制器日韩一级特黄毛片在线看，三是自動(dòng)識(shí)別伺服系統(tǒng)轉(zhuǎn)動(dòng)慣量并自動(dòng)調(diào)整控制器參數(shù)和結(jié)構(gòu)的方案，從理論分析和可實(shí)現(xiàn)性兩方面對(duì)這些控制方案進(jìn)行了論述色诱久久av无码电影网站，并通過仿真和實(shí)驗(yàn)研究无遮挡奶头污免费网站，對(duì)比分析了各種方案的優(yōu)缺點(diǎn)，得到了一些有益的結(jié)果91香蕉国产在线观看人员青。

Blithe faith that democracy, free markets and the US army will sweep all before them is giving way to a warier and more cynical approach to the world.

認(rèn)為民主人操在线视频97、自由市場(chǎng)和美國(guó)軍隊(duì)可以掃清一切障礙的輕率想法，正轉(zhuǎn)向?qū)κ澜绮扇∫环N更謹(jǐn)慎、更質(zhì)疑的方式一级免费看。

The study suggests that conservationists will have to adapt their approach to a shifting marine environment.

研究還表明：海洋環(huán)境發(fā)生變化中文字幕黃色av，保護(hù)主義者們勢(shì)必相應(yīng)地調(diào)整其保護(hù)措施。