Operator

(noun.) an agent that operates some apparatus or machine; 'the operator of the switchboard'.

(noun.) someone who owns or operates a business; 'who is the operator of this franchise?'.

(noun.) a speculator who trades aggressively on stock or commodity markets.

(noun.) (mathematics) a symbol or function representing a mathematical operation.

整理:特蕾西

• There he called up Pittsburg and asked for their best operator. 鲁伯特·萨金特·荷兰. 历史性发明.
• The operator had worked so mechanically that he had handled the news without the slightest knowledge of its significance. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• They furnished an operator, Edward Hadley. 佚名. 神奇的知识之书.
• When the bottle is nearly full, the operator quickly withdraws it with one hand, and having a cork ready in the other, he puts it in before the water can rush out. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• Asking the operator the best direction, he pointed west, and noticing a rabbit in a clear space in the sage bushes, I said, 'There is one now. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• One day the day operator wanted to get off, and I was on duty. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Now the operator has to adjust himself to his machine, instead of his tool to his own purposes. 约翰·杜威. 民主与教育.
• The telephone receiver was held on the head with a spring, the flexible connecting wire being attached to the lap board, thus leaving the operator with both hands free. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The operator in Fig. 6 is shown assembling switch plugs and is in the act of driving home a screw which holds in place the fiber bar over which the cord bends. 佚名. 神奇的知识之书.
• A stream of this liquid has been directed upon a circuit of 110,000 volts without the least harm to the operator. 佚名. 神奇的知识之书.
• In point of speed the typewriter depends entirely upon the aptness of the operator. Edward W. Byrn. 十九世纪发明进展.
• After calling on the Government people we started to interview the telegraph operator at this most lonely and desolate spot. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The operator next sends the letter M by depressing the appropriate key. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• In a flash the operator switched on the current and the two men stood as if transfixed, hanging desperately to their weapons that were held aloft as by some giant’s hand. 佚名. 神奇的知识之书.
• This was one aspect of life as it presented itself to the sensitive and observant young operator in Louisville. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• It was in this way Edison made his way south as far as Memphis, Tennessee, where the telegraph service at that time was under military law, although the operators received $125 a month. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Instinctively the operators looked from one face to another to see which man had received the news. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• After two months of very hard work, I got a detail at regular times of eight operators, and we got it working nicely from one room to another over a wire which ran to Albany and back. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• About fifteen hundred of the best operators in the country were at the front on the Federal side alone, and several hundred more had enlisted. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Of him Edison says: Adams was one of a class of operators never satisfied to work at any place for any great length of time. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The instruments in the handsome new offices were fastened in their proper places, and operators were strictly forbidden to remove them, or to use the batteries except on regular work. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Many of the old operators, taken on out of good-nature, were poor exhibitors and worse accountants, and at last they and the machines with which they had been intrusted faded from sight. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• He could not understand it, neither could any of the other operators; for we used to hide my impromptu automatic recorder when our toil was over. 鲁伯特·萨金特·荷兰. 历史性发明.
• Ellsworth possessed in a remarkable degree the skill of imitating these peculiarities, and thus he deceived the Union operators easily. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Greater precaution than this cannot be imagined, illustrating as it does, that no effort has been spared to protect the lives of the operators. 佚名. 神奇的知识之书.
• At the same time operators have always been shrewd enough to regard the telegraph as a stepping-stone to other careers in life. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Telegraph operators were naturally in touch with this movement, and Edison's fertile imagination was readily inflamed by the glowing idea of all these vague possibilities. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Stanton said that the usual live-stock accompaniment of operators' boarding-houses was absent; he thought the intense cold had caused them to hibernate. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• At this point I happened to look up, and saw the operators all looking over my shoulder, with their faces shining with fun and excitement. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Such fire alarms can be exchanged automatically, or by operators, and are sometimes associated with a large fire-alarm bell or whistle. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

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