He speaks of the various systems of Political economy in a separate part of his work solely for the purpose of demonstrating their non-efficiency, and of proving that 'political' or national economy must be replaced by 'cosmopolitical or world-wide economy.

他在他書里的個別場合談到各種政治經(jīng)濟(jì)制度時色网站国产在线，只是為了指出這些制度的無成效a网址在线观看，從而證明必須以"世界主義或世界范圍的經(jīng)濟(jì)學(xué)"來代替"政治的"或國家的經(jīng)濟(jì)學(xué)中国免费的黄色网站。

State variables at left end of time interval and costate at right end of time interval were taken as independent mixed variables, and the state and costate variables inside the time interval were approximated by Lagrange interpolation. Nonlinear optimal control problems were replaced by nonlinear equations through dual variable principle, and the symplectic algorithm for solving nonlinear optimal control problems can be obtained at the same time.

以時間區(qū)段一端狀態(tài)和另一端協(xié)態(tài)作為混合獨立變量日韩99自拍视频在线观看免费播放，在時間區(qū)段內(nèi)采用拉格朗日插值近似狀態(tài)變量與協(xié)態(tài)變量国产黄色精品网站在线观看，然后利用對偶變量變分原理并將非線性最優(yōu)控制問題轉(zhuǎn)化為非線性方程組的求解手机在线一级电影，最終得到求解非線性動力學(xué)系統(tǒng)最優(yōu)控制問題的保辛數(shù)值方法色97综合视频在线观看视频。

But because of some disadvantages such as their complex configuration, costliness, inconvenience of maintenance, they are gradually replaced by asynchronous machines.

傳統(tǒng)的電梯采用直流電動機驅(qū)動，存在著結(jié)構(gòu)復(fù)雜A级全黄片一级全黄片、制造成本高8050午夜一级少妇影院大陆、可維護(hù)性差等系列不足，采用異步電機取代直流電機已是大勢所趨91在线欧美超碰。

To prevent the loss of oil , place the seals at both ends the crankshaft where it extends through the crankcase .When main bearings are replaced , tighten the bearing cap to the proper tension with a torque wrench and lock them in place with a cotter pin or safety wire after they are in place .

為防止損失的油婷婷综合五月天丁香激情，放在密封的兩頭曲軸而延伸，通過曲軸箱国产在线视频一区第二页，當(dāng)主軸承更換国产AV性网，收緊軸承蓋，以適當(dāng)?shù)膹埩εc扭力扳手狼友视频首页在线观看播放，并鎖定他們放在一起特引腳或安全線后熟女乱倫视频，他們都已具備。

Nowadays, power enterprises are overburdening by coulometer reading work and traditional mannered reading model is being replaced by advanced麻豆自拍偷拍爽图、automatic日韩一区欧美、remote reading models.

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Weak bialgebras and Hopf algebras are generalizations of ordinary bial-gebras and Hopf algebras in the following sense: the defining axioms are the same, but the multiplicativity of the counit and comultiplicativity of the unit, are replaced by weaker axioms.

中文摘要：弱雙代數(shù)和弱Hopf代數(shù)是通常的雙代數(shù)和Hopf代數(shù)的推廣：定義的公理不變真人视频一区，但是余單位的乘法和單位的余乘法變得更弱一些了。本文主要將上環(huán)理論及其Galois理論運用于弱Hopf代數(shù)国产精品99久久精品，得到弱Hopf代數(shù)的相應(yīng)結(jié)果。

The management level of the universities , colleges , junior colleges and special secondary schools student's file of our country stayed on the basis of paper medium in the past, such a mchanism can't adapt to the development of the times , because it wasted a lot of manpower and material resources, such traditional office procedure must be replaced by basic information management by the computer at information age.

以前我國的大中專院校學(xué)生檔案的管理水平停留在紙介質(zhì)的基礎(chǔ)上熟妇的天堂av，那樣的機制不能適應(yīng)時代的發(fā)展国产性爱啪啪，因為它浪費了許多人力和物力，在信息時代這種傳統(tǒng)的管理方法必然被計算機為基礎(chǔ)的信息管理所取代2020国产精品对白露脸。

In 1962, after suffering from a nervous breakdown following conscription in the national military service, executives at the house replaced him with couturier Marc Bohan.

事務(wù)所的執(zhí)行官用女服裝設(shè)計師 Marc Bohan 取代了他的職位人人摸人人艹人人捅。圣羅蘭和他的商業(yè)伙伴、朋友美女黄网站色视频免费国产、長期的私人同事皮埃爾精品免费A片。

For many, the credit card replaced the union card as their principal sense of identity as suburban consumers.

對很多人來說，信用卡替換了聯(lián)邦證作為身分他們的主要感覺作為郊區(qū)消費者在线观看视频欧美。

By controlling the catalyst molar ratio in the range of 200-500, up to 70% of the resorcinol can be replaced with the cheap cresol.

這一合成路線簡化了炭氣凝膠的制備工藝jixxjixx，顯著降低了炭氣凝膠的制備成本。