查询词典 pit

The opposition to gaming springs largely from the neophobia（neo-:新,phobia:恐惧病） that has pitted the old against （pit… against…:使…与…对立）the entertainments of the young for centuries.

几个世纪以来人们惯有的对新事物的恐惧和抵制意识使得成年人一向反对青少年的娱乐方式，这也正是反对游戏一派最大的思想根源。

Yet down to the nether world you go to the recesses of the pit!

然而你却下到了阴府，深渊的极处。

Radiate environment a bottom the semi-conductor spare part of the work with pit under the space environment, need to have a stronger nti- radiation ability because of exposing in the bad radiation environment over a long period of time.

在空间环境下和核辐射环境下工作的半导体器件，由于长期暴露在恶劣的辐射环境中，需要具有较强的抗辐射能力。

Fruit a very small, sticky nutlet, often partly enclosed in pit in rachis, sometimes distinctly curved.

部分果很小，发粘小坚果，通常内藏在方面具洼点在方面，有时清楚弄弯。

This software system can also be used for relevant open-pit mines.

该方法和软件可供相近矿山在设计和生产中运用。

It offeres the new method and way in order to analyse and study the question on open-pit slope project.

为分析和研究露天矿边坡工程问题提供了新的方法和途径。

Open-pit Mine should be planed and with the economic benefits index changing the plan should be changed.

露天矿的开采必须是有计划的，而且随着影响经济效益变量的变化而变化。

Simple geological structure, an open-pit mine, the development of high value for one of the three cryptomelane.

地质构造简单，属露天矿，开发价值高，为全国三大钾矿之一。

ABSTRACT Blast Hole Drill is the must important drilling machine used in all kinds of projects and open-pit mines.

牙轮钻机是一种用于各类工程和露天矿山的重要穿孔设备。

Most of large and middle scale open-pit mines in China have reached deep mining.

我国的大多数大中型露天矿山已经或即将进入深部开采。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。