查询词典 off and on

How the "fellow by the name of Rowan" took the letter, sealed it up in a oilskin pouch, strapped it over his heart, in four days landed by night off the coast of Cuba from an open boat, disappeared in the jungle, and in three weeks came out on the other side of the island, having traversed a hostile country on foot and delivered his letter to Garcia---are thingsI have no special desire now to tell in detail.

关于那个"名字叫罗文的人"如何拿了信，将他装进一个油纸袋里并打封，吊在胸口藏好，如何用4天的时间乘坐一条敞口船连夜抵达古巴海岸，而后消失在丛林之中，如何在三个星期之后出现在古巴岛的另一端，其间徒步穿越一个危机四伏的国家，将信交到加西亚手上——这些都不上我现在想要讲述的。

A low frequency oscillation on-line monitoring and oscillation characteristics off-line analysis function module of power system based on wide area measurement systems was designed and implemented.

介绍了基于广域测量系统的电力系统低频振荡在线监测及振荡特性离线分析功能模块的设计及实现方法。

She had been crying on and off ever since Percy had stormed from the house on Christmas Day with his glasses splattered with mashed parsnip (for which Fred, George, and Ginny all claimed credit).

自从圣诞节那天珀西眼镜上被泼了防风草根酱（弗雷德、乔治和金妮都有功劳），冲出家门之后，她就时不时地会哭起来。

On the day of New Year's Eve, the Tibetan showily dress up and put on peculiar-looking masks, playing music by So-na ,trumpet shells and bass drums in order to come off the "God-dancing ceremony" which is solemn and grand.

藏族 除夕那天，人们穿上艳丽服装，戴着奇形怪状的假面具，用唢呐、海螺、大鼓奏乐，奉行隆重而又盛大的"跳神会"。

"Mysterious ice grain " Pluto once was fully favoured by "constellation fan " and uncounted astrophil, unfortunately "greatly "be laid-off" in reducing the staff the solar system", on August 24 , 2006 late in nearest once, the representative at the meeting takes it as an excuse that "whose insufficient big prepare a track and adjacent to mass planets part coincides ", unanimous decision "gives Plutonian planet qualification the sack", and demotes the person for average short planet on international astronomy federation annual meeting holding in Prag.

曾经备受"星座迷"和无数天文爱好者宠爱的"神秘冰谷"冥王星，不幸在最近的一次太阳系"大裁员"中"下岗"，2006年8月24日晚，在布拉格举行的国际天文学联合会年会上，与会代表们以"其质量不够大和轨道与邻近行星部分重合"为由，一致决定"开除"冥王星的行星资格，并将其降级为普通的矮行星。

A novel zero-voltage and zero-current resonant pole soft-switching inverter was proposed to achieve zero- voltage and zero-current switching simultaneously when main power devices turn-on and turn-off. Therefore, turn-on capacitive losses could be reduced for devices which the intrinsic capacitor value cannot be neglected. Additionally losses caused by the tail current can also be reduced, when IGBTs are used as main switches.

提出一种新型的零电压零电流谐振极型软开关逆变器，可以在主功率器件开通和关断时，同时实现零电压和零电流，因此对于内部电容不能忽略的器件，可减小容性开通损耗，当绝缘栅双极型晶体管(insulated gate bipolar transistor，IGBT)作为主功率器件时，也可减小拖尾电流引起的损耗。

"They are simply getting a free ride on behalf of the tax payers of Australia and it is about time they received a touch on the backside with a cattle prodder to get them off their butts and actually do some work," he said.

他说：「他们全靠搭澳洲纳税人的顺风车过活，该是有人从背后用赶牛刺棒戳戳他们，赶他们起身去做些工作的时候了。

On a tip off of this wicked conspiracy against his assets, a quick assessment was carry out on the monetary values of these assets and was sold in short time below what ordinarily it would sold in other save the assets from ruin and income derived from this assets were deposited in a Trust Company for safe keep.

在告诫这个邪恶的阴谋反对他的财产，一个快的评估执行在这些财产的货币值和被卖了在短期下面什么它在其他通常会卖除财产之外从废墟，并且从这获得的收入财产在一家信托公司中被放置了为安全保留。

The expatiation of the control function in this article is divided into two sections: the manufacturing execution system and the basic automatic control. The former was focused on the quality assurance system of pipe welding and the quick-setting system,and the later focused on the control functions,such as the roll gap position control, the tracking of cross-welding line between coils,the sequence control, the speed control over the main driver, edge miller, cut-off machine, HF welder and the heat treatment of weld seams.

分制造执行级MES 和基础自动化级两部分阐述控制功能，MES方面着重介绍快速设定系统和焊接质量保证系统；基础自动化部分重点介绍辊缝位置直控制、钢卷对接焊缝跟踪、顺序控制、主传动速度控制及铣边机、飞锯、高频焊机、焊缝热处理等单体设备的控制功能。

Based on the production and supply of the coal industry in China, the capital construction projects and their investments in coal industry are investigated. Based on relative data from 1991 to 2000, a system dynamics model for coal suply and investment is formulated under the requitement of coal demand for building a well-off society in an all-round way. Meanwhile, policy analysis of investment for the throughput of state-owned colliery is made and the satisfied results are also obtained.

本文根据我国煤炭生产和供应的实际情况，对全国煤炭工业矿井基本建设项目及其投资情况作了调查，以1991至2000年之间的历史数据为依托，建立了全面建设小康社会期间煤炭需求作用下的全国煤炭生产供应系统动力学模型，并对全面建设小康社会期间国有煤矿供应能力开展了煤炭投资政策分析，取得了一些有意义的结果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。