In the paper, mineral enterprises' benefit –cost model and the utility function of mineworker are constructed, and the root of the mine disaster that much concealed cost exists is pointed out established in the phenomena that many mine disasters happened and many non-technological people want to be mineworkers.

立足于礦難頻頻發(fā)生和礦工源源不斷的供給現(xiàn)象的基礎上一道本天堂在线视频，本文構(gòu)造了企業(yè)成本收益模型和礦工效用函數(shù)视频网址国产精品入口，指出大量隱性成本的存在是礦難的根源。

Ergo, those that refused the program, while a minori ty, if unchecked, would constitute an escalating probability of disaster.

因此那些拒絕程序的試驗體，盡管只是少數(shù)成人午夜在线观看影院免费播放网站，但如果不加以抑制就會不斷增加形成災難的可能性国产清纯白嫩初高生在线。

As you can imagine, a misguided decision can lead the Investor Company to a disaster.

大家可以想象得到，一個錯誤的決策可能會給整個公司帶來災難西西人体大胆作爱。

This looks like an intelligent jury to me," Woods said, explaining his refusal to grant a mistrial to the defense after getting word of the disaster."

只有這樣欧美在线自第一页，我認為，才是一個真正聰明的法官"AV不卡在线永久免费观看，他說五月天婷婷网亚洲综合在线，這是他對他在聽到災難后，仍拒絕給與被告休庭的解釋激激激激激激情。"

I was the United Nations expert in Disaster Mitigation for two years.

我曾有兩年的時間任聯(lián)合國災難協(xié)調(diào)機構(gòu)的專家国产国产成人久久精品。

Regional and global cooperation on disaster mitigation and emergency management is an inevitable trend.

加強區(qū)域和全球的國際減災、應急管理的國際合作是必然趨勢激情乱伦色图。

The main problems of the disaster prevention and mitigation and the solutions to the problems in our country are summarized.

第一章闡述了我國城市地震災害的嚴重性国产高清wwwwwwwww色视频、特點，以及我國城市防災減災存在的主要問題以及其對策亚洲激情欧美。

Engineering disaster of swelling rock is a subject of extreme complication and momentously economic implications. How to construct projects and sustain its stability economically and effectively in such rock is always a problem puzzling many experts in rock mechanics and engineering geology.

膨脹巖的工程災害是個極為復雜且具有重大經(jīng)濟意義的課題洲在线综合视频，如何才能做到經(jīng)濟有效地在這類巖石中建設工程并維持其穩(wěn)定性，一直是困擾著廣大巖石力學和工程地質(zhì)工作者的一個難題曰本一级片。

Monocracy isn't a disaster,tyranny and corruption are.

獨裁并不可怕男女啪啪激烈高潮网站，可怕的是暴政和腐敗。

Has narrow, monocultural management led us all to disaster?

狹隘欧美一级a卡片免费观看、單一文化的管理使我們陷入了災難午夜欧美黄色？