It also analyses corrosion mechanism and influence factor that corrugated steel pipe culverts in the soil, aqueous solution and atmosphere; and proposes the scheme of antisepesis of corrugated steel pipe culvers suitable for our countryAccording to the domestic construction experience and practice on the highway and railway of corrugated steel pipe culverts, this paper summarizes the construction craft of the corrugated steel pipe culverts suitable for our country, and put forward the corresponding construction requirement.

根據(jù)國內(nèi)鋼波紋管涵洞在公路和鐵路上的施工經(jīng)驗和實踐，分析總結(jié)出適用于我國鋼波紋管涵洞的施工工藝色在色高清在线，提出了相應(yīng)的施工要求国产精品盗摄盗拍最新视频。

The last part summarizes the merits and demerits of the dissertation and points out the trend of future study.

結(jié)論部分對全文內(nèi)容作了概要的總結(jié)，對本文的創(chuàng)新點和不足之處作了評價91绿帽人妻国内，并指出今后進一步研究的方向人人操人人操人人人干。

The approach converts linguistic variables and calculates the basic utility assignment value of each focal element. The values are integrated according to Dempsters rule of combination. Alternatives are then ranked by comparing the values of belief function and plausibility function. The last chapter summarizes all the work of this paper, and gives some useful suggestions for future research.

該方法首先首先對多個專家給出的不同語言變量進行轉(zhuǎn)化處理；然后計算各焦元的基本概率分配函數(shù)值欧美好色aaa，最后通過Dempster合成法則對其值進行合成伊人一级得黄片，依據(jù)合成后的信度函數(shù)值和似真函數(shù)值對方案進行排序。

The author believes that Palmer s three categories, namely epistemic, deontic and dynamic, basically summarizes the meaning of the modals.

在國內(nèi)爱爱网址、外眾多學(xué)者的研究成果中黄色视频小说蜜臀在线观看，Palmer的情態(tài)助動詞的推測、義責(zé)和原動三大范疇基本上全面概括了情態(tài)助動詞意義yilef.com，并確定了其基本框架2022国产激情视频在线观看看。

This paper summarizes the development and foundational principle of ultrasonic detections. Then it presents the theory and characters of ultrasonic sensor.

論文概述了超聲檢測的發(fā)展及基本原理，介紹超聲波傳感器的原理及特性国产v欧美v日韩v亚洲老妇。

By a survey on the ecotourist"s attributes , motivations, environmental attitudes and behavior tendency , this chapter distinguishes two kind of different ecotourists—soft ecotourists and relatively hard ecotourists, summarizes their characteristics and obtains the enlightenment of the Nature Reserve ecotourism. The fifth chapter, according to the real investigation result, puts forward the proper management suggestions on the basis of ecotourist behavior characteristics, that is, to follow the principle of basing "the material to management and implement the classified management.

本章通過對生態(tài)旅游者的屬性国内精品久久久久久久久久、生態(tài)旅游動機、生態(tài)意識及行為傾向的調(diào)查99久久久国产，得出存在兩種不同類型生態(tài)旅游者——一般的和比較嚴(yán)格的生態(tài)旅游者亚欧黄片，總結(jié)其特征并得出對保護區(qū)生態(tài)旅游的啟示；最后第五章根據(jù)調(diào)查結(jié)論，給出基于生態(tài)旅游者行為特征的管理建議一级一级黄色A片，提出遵循因&材&施管的原則cao进入在线观看视频，應(yīng)對生態(tài)旅游者實行分類管理。

This article summarizes on the brain edemas' occurrence mechanism, clinical dividing and the performance, as well as the clinical treatment.

本文就腦水腫的發(fā)生機理18岁以下禁止观看的黄视频，臨床分型及表現(xiàn)人操人操人操人操人操人操人操，以及臨床治療的研究進展予以綜述。

The fourth chapter summarizes the tax evasions, concerning the concept, characteristics, techniques, harm, punishment and the bad effects of tax evasions in China.

第4章對逃稅進行概述国产性交视屏，內(nèi)容包括逃稅的概念、特征sansansy.com、手法欧美第一黄站视频、危害、處罰以及我國逃稅現(xiàn)象的嚴(yán)重性欧美精品理论片大全。

This paper summarizes the theory merits of latest exchange rate and combines experience and lessons of other countries on the exchange rate policy, analyzing possibility of choosing the different exchange rate system for China.

本文在總結(jié)了最新匯率理論成果和吸取了其它國家在匯率政策經(jīng)驗上的教訓(xùn)的基礎(chǔ)上国内精品久久久久影院网站，對人民幣選擇不同匯率制度的可能性進行了分析。

The development of Photonic Crystal is introduced first, and then the author summarizes the status , applications and factures of the Photonic Crystal.

本文介紹了光子晶體的發(fā)展网站视频免黄片大全皮毛大全，總結(jié)了光子晶體的研究現(xiàn)狀中文字幕黄网，應(yīng)用領(lǐng)域和設(shè)計制作。