充一次电只能维持大约100英里。
船上有多少蓄电池？它们隔多少时间充一次电。
How many storage batteries are there on board and how often do they need charging?
该装置功率不到一瓦，充一次电可续航13个小时。
The device runs on less than a watt of power and lasts up to 13 hours on a single charge.
在那里，她把手机放在一个店里，每充一次电需要30美分的钱。
There, she dropped off her cellphone at a store that recharges phones for 30 cents.
但如果你有了这种智能玻璃屏幕，那你一周充一次电就可以了。
But if you had smart glass, you could recharge it just once a week.
电池中有燃料尺需要通过每三十次充电后彻底地放一次电来校准。
Batteries with fuel gauge (laptops) should be calibrated by applying a deliberate full discharge once every 30 charges. Running the pack down in the equipment does this.
充电：充一次电时间大概为1小时，充一次电大概可正常使用2小时。
Recharging: After every recharge of 1 hour, the pen can be used continuously for more than 2 hours.
打开无线模式使用Kindle时，我隔几天充一次电，如果关掉无线功能，电池续航时间会更长。
The battery lasted me a couple of days between charges with the wireless on, longer if I switched it off.
我的口袋阅读器在使用的大概8周以内只充了一次电，而Kindle在5天后就告诉我电力不足了。
While the Pocket has been charged only once in the eight weeks or so that I had been using it, the Kindle gave me a low battery warning after five days.
午饭前，他还会做两个小时的航模试飞；然后整个下午他都会待在实验室进一步调整模型，再给它充一次电。
He takes the aircraft for another two-hour flight before lunch and then spends the whole afternoon in the laboratory making further adjustments and recharging the batteries.
直到现在，Amazon表示，它已设法把在打开无线连接情况下充一次电的电池续航时间提高到了七天，这确实可以视为足够了。
Until now: Amazon says that it's managed to improve wireless-on life to seven days on a charge, which surely counts as enough.
“2006年，SL似乎是我们最为沉浸的地方。”电羊的首席运营官GiffContable在一次电话采访中说。
“In 2006, Second Life seemed like the place we could get the most immersion, ” said Electric Sheep chief operating officer Giff Constable in a telephone interview.
事实上，邻居们充一次电还给她20美分。不过这桩生意很快就没了：最近克普图速里有60个家庭安装了自家的太阳能发电装置。
In fact, neighbors now pay her 20 cents to charge their phones, although that business may soon evaporate: 63 families in Kiptusuri have recently installed their own solar power systems.
雷诺公司承诺该公司生产的电动汽车充满一次电后可以开约100英里（160公里），这个距离对大多数跑通勤的人来说是足够了，但要长途旅行还远远不够。
Renault says that its cars will do about 100 miles (160km) between charges, which is fine for most commutes but not for longer journeys.
有一次万圣节，他为我做了个电南瓜，还把它装在一个扫帚把上。
For one of my Halloween parties, he created an electrical pumpkin and mounted, it on a broomstick.
这可能就是为什么有一次我撞见我祖父对着一只鼠标讲话的原因了，好像那鼠标是个业余无线电爱好者的麦克风。
This is probably why I once caught my grandfather speaking into a computer mouse as if it were a ham-radio mic.
下一次或许我们，会在课前把它充上电。
从十年前混合动力车第一次在美洲的高速干道和荒野小径上风驰电掣以来，已经占有新车销售市场份额的2.5%之多。
In the ten years since hybrid electric vehicles first hit the highways and byways of America, they have come to represent 2.5% of new car sales.
“观众们注意了，你们即将见识发现号最后一次飞行的威力。”航天飞机指挥官史蒂芬·林赛发射前几分钟在无线电中说道。
"For those watching, get ready to witness the power of Discovery as she lifts off one final time," shuttle commander Steve Lindsey radioed minutes before launch.
美国无线电广播公司选择在这一天进行首播，通过最原始的无线电话技术转播了比赛——这也是美国历史上第一次大规模广播。
The Radio Corporation of America made its debut that day, transmitting the fight over primitive “radiophone” technology—radio’s first mass broadcast in the United States.
他的第一次公开亮相，就是需要在温布利体育场内举行的皇家展览会中，通过麦克风和无线电直播向全国人民公开演讲。
It is his first public appearance, required to speak through a microphone to vast crowds at the empire exhibition at Wembley stadium, and via live radio to the nation.
在最后一次同埃斯佩兰萨号的无线电通信中，他说。
在最后一次同埃斯佩兰萨号的无线电通信中，他说。
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