单词:hull surface force
单词:hull surface force 相关文章
It was worse right back there where it's super thick, man. I've never seen anything like it. It just rolled in on. Its quite unreal. Oh man, look at that streak. Look at the holes off of those. It's thick, thick, thick. Like mud. That's unreal. This
Madison Declares War on Britain in 1812 From VOA Learning English, welcome to The Making of a Nation, our weekly program of American history for people learning English. Im Steve Ember. The United States declared war on Britain in 1812. It did so bec
1. Front-runner Mitt Romney defended his business record. During the Republican debate in South Carolina, Romney under pressure from his Republican opponents also said he might release his tax records this spring. 2. Divers have used explosives to bl
Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part
Under Pressure压力之下 In physics, pressure depends on the amount of force acting on a surface and on the size of the surface. The smaller the surface, the greater the pressure. Lets say that a woman steps on your toe; she weighs 120 pounds. If s
One part of Captain Nemo's secret life had been unveiled. 尼摩船长神秘存在的一部分被揭示了。 And now, even though his identity was still unknown, 如果他的身份还没确认, at least the nations allied against him knew they wer
The headlines are coming! The headlines are coming! They're here. It's Friday, which is awesome! I'm Carl Azuz. This is CNN Student News. The oil spill in the Gulf of Mexico is up first today, and there is a lot of new stuff to tell you about. First:
If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an
Are we alone ?And it ties into all the big questions: how do we get here ? where are we going ?Are we a part of a bigger picture? But for the longest time ,the question was taboo to science . Before the Mid-1990s ,it was considered somewhat embarassi
Fire and brimstone! Ned put in. 尼德兰喊一声:好家伙! All right then, my fine harpooner, if vertebrates several hundred meters long and proportionate in bulk live at such depths, their surface areas make up millions of square centimeters,
ENVIRONMENT REPORT - September 6, 2002: Geckos and Their Sticky Feet By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Geckos are small lizards that live in warm climates. These liza
Hundreds of rescuers are continuing to try to find survivors of the accident, even though the chances of anyone still being alive are fading by the day. The president of the Korea Rescue Association says the search will intensify in the next three da
US Nuclear-Powered Submarine Runs Aground An accident has occurred on one of the U.S. Navy's nuclear powered attack submarines in the Pacific Ocean. The Navy says the sub, for reasons not yet known, h
The death toll of South Koreas capsized ferry has risen to 273, as divers searched the sunken ferry amid slower tidal currents. 31 passengers remain missing. No survivor had been reported since 172 people were saved from the ship on April 16th. South
Twelve people have been rescued and five bodies have been recovered as rescue efforts continue after a passenger ship sank late Monday night on a section of the Yangtze River in central China's Hubei province. Rescuers work near the ship sinking site
If you don't mind, professor, Captain Nemo told me, we'll determine our exact position and fix the starting point of our voyage. It's fifteen minutes before noon. I'm going to rise to the surface of the water. 教授,尼摩船长对我说,如果您
What! You have a skiff? I replied in some astonishment. 什么!您还有一只小艇吗?我有些惊异地说。 Surely. An excellent longboat, light and unsinkable, which is used for excursions and fishing trips. 当然喽。一只很好的小艇,
These are the normal navigational instruments, I replied, and I'm familiar with their uses. 这些是航海家常用的仪器,我答,我知道它们的用法。我现在看见的这个表盘,上面有能转动的针,那不是流体压力计吗?
The scale is of course more an idea than an object, an arbitrary measure of the Earth's tremblings based on surface measurements. 当然,里氏震级是一个概念,不是一件东西,是一个根据地面测量的结果武断地得出的地球震
Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai