从技术角度来说电报线路难以维修。
On the technical side, telegraph lines are hard to maintain.
比如1859年的太阳风暴使得电报线路起火燃烧。
A solar storm in 1859, for example, caused telegraph lines to burst into flames.
很快，许多公司开始在各地搭建电报线路。
Quickly, companies began to build telegraph lines from one place to another.
其中包括电报线路的继电调压器和剧院防火帘。
Among these were a relay booster for telegraph lines and a fire-safety curtain for theaters.
铁路局听从卡内基的建议，建起了自己的电报线路。
The railroad acted onCarnegie's suggestions and did build its own telegraph lines.
很快，公司开始兴建从一个地方到另一个地方的电报线路。
Quickly, companies began to build telegraph lines from one place to another.
是谁在案发后的几个小时中，截断了华盛顿的商用电报线路？
Who, for hours after the murder, blacked out commercial telegraph lines from Washington?
一条电报线路或电话线路对另一条电报线路或电话线路的干扰。
Interference from one telegraph circuit to another telegraph circuit or into telephone circuits.
很快，公司开始兴建从一个地方到另一个地方那个的电报线路。
Quickly companies began to build telegraph lines from one place to another.
电报线路提供了类似的经济挑战——很高的启动资本和很低的边际运营成本。
Telegraph lines presented a similar economic challenge-high start-up capital and low marginal operating costs.
快马邮递一直持续了18个月，当第一条电报线路铺到旧金山后，就不再需要快马邮递了。
The Pony Express lasted only eighteen months. It was no longer needed after a telegraph line was completed to San Francisco.
一条专门的电报线路安装到阿斯塔·波沃，转达他的身体状况，报纸上刊载着来自俄国和外国媒体的报道。
A special telegraphic wire was installed in Astapovo to transmit news about the state of his health, and newspapers carried reports from the Russian and foreign press.
18世纪，美国各州将电报线路视作运输业运营商，责成运营商以连续的费率承发来自任意个人和任意其他线路的电报。
American states in the late 19th century treated telegraph lines as common carriers, obliging them to carry dispatches from any person and from any other line at consistent rates.
电报发明以后，我们才理解人类的神经系统和线路一样输送信息。
And it was only after the invention of the telegraph that we understood that our nerves carry messages, just like wires.
按照美国电报电话公司的新政策，使用数字用户线路（DSL）接连互联网的客户将受到限制，即每个月的下载量限制为150G。
Under AT&T’s new policy, customers using digital subscriber line (DSL) connections to the internet will have a monthly download limit of 150 gigabytes.
线路经验运行表明，雷电报警判据是可行的。
线路经验运行表明，雷电报警判据是可行的。
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