Those factors made it very difficult for radar to detect the vessel before it crossed into North Korean waters.

VOA: standard.2009.07.30

It occurs because blood flow gets reduced in that blood vessel and so the heart muscle, which is actively beating all the time, needs large quantities of oxygen provided by blood can't get the blood through the vessel.

发病原因是冠状动脉血流量降低,因为心肌搏动永不停歇,随时需要血液供给大量氧气,发病时血液无法正常流过血管

耶鲁公开课 - 生物医学工程探索课程节选

Here, a concept is to introduce a gene that causes the process of new blood vessel growth.

看这儿,一种疗法是导入,可以促进新血管生成的基因

耶鲁公开课 - 生物医学工程探索课程节选

The vessel left General Santos City in the southern island of Mindanao Saturday morning bound for Iloilo City in the central Philippines.

VOA: standard.2009.09.06

Federal health minister,Nicola Roxon, says forcing the vessel to cancel a planned 10-day trip around the Great Barrier Reef is a necessary precaution.

VOA: standard.2009.05.30

Passengers disembarking the vessel in Brisbane have been met by a team of nurses and medical staff.

VOA: standard.2009.05.30

"So our main challenges are: how do we stabilize the vessel itself in all those waves?

VOA: standard.2010.01.04

But if the vessel remains on course for Gaza, it will be intercepted by the navy.

VOA: standard.2010.07.12

He says unless he receives a direct order from President Susilo Bambang Yudhoyono, the Sri Lankans will not be allowed to leave the vessel.

VOA: standard.2009.10.27

The vessel has the technological potential to shoot down a North Korean ballistic missile, something neither the United States nor Japan have ruled out doing.

VOA: standard.2009.03.12

They say frightened passengers moved towards one side of the vessel causing it to capsize.

VOA: standard.2009.09.01

The vessel sank around 10 a.m.local time, off Siocon Bay in Zamboanga del Norte province.

VOA: standard.2009.09.06

The vessel was flying an Antiguan flag and disguised as an aid ship.

VOA: standard.2009.11.04

But Barigye Ba-hoku, the spokesman for African Union peacekeeping mission in Somalia, known as AMISOM, says that by the time his forces got there, the pirates had already climbed aboard the vessel.

VOA: standard.2009.09.26

There are two kinds of strokes. An ischemic stroke happens when a blood vessel in the brain gets blocked.

VOA: special.2009.09.22

The Griffin was the one of the first sailing vessel on the Great Lakes and also among the first shipwrecks.

VOA: special.2009.11.11

Doctor Thompson said sixteen of the mummies had enough heart or blood vessel tissues remaining for the doctors to examine.

VOA: special.2009.12.15

They also did ultrasound and other tests to measure blood vessel function and the thickness of the artery wall.

VOA: standard.2010.03.04

Officials say the leaflets are intended to inform North Koreans about the sinking of the South Korean naval vessel.

VOA: standard.2010.05.26

North Korea denies responsibility. These war games are a direct response to the sinking of the South Korean vessel.

VOA: standard.2010.07.26

"The blood vessel wall, when it becomes thickened and the lining is disturbed, is more sensitive to the effects of cholesterol deposition.

VOA: standard.2010.03.04

South Korea's main 24-hour cable news channel network cited intelligence officials Monday as saying the North Korean vessel was probably destined for Burma.

VOA: standard.2009.06.22

The captain of the organization's flagship vessel,Paul Watson, says his colleagues are lucky to be alive.

VOA: standard.2010.01.06

A U.S.military support vessel with medical personnel on board has also been dispatched to the site.

VOA: standard.2009.09.06

That latest example of shrill rhetoric from Pyongyang comes as the U.S.Navy tracks a North Korean vessel which may be carrying missile parts or other weaponry.

VOA: standard.2009.06.22

Relations between the two Koreas have deteriorated steadily since the Cheonan, a South Korean naval vessel in the Yellow Sea, exploded a month ago, killing 46 crew members.

VOA: standard.2010.05.26

Some,like this Turkish man, spoke of the violence they witnessed when Israeli commandos came down on the main ship,a Turkish vessel, during the raid in the eastern Mediterranean.

VOA: standard.2010.06.01

The 78 Sri Lankans were plucked from the sea by an Australian navy vessel more than a week ago, as they were attempting the journey from Indonesia's Sumatra Island to Australia.

VOA: standard.2009.10.27

Mr.Obama says the American people also have reason to be proud of the captain who offered himself up as a hostage to the pirates in an effort to protect the crew of his cargo vessel.

VOA: standard.2009.04.13

"We will have a small capability to move roughly 150 containers a day through the port today , growing with the arrival of a commercial vessel tomorrow of 250 containers per day and that capacity will remain relatively constant,"

VOA: standard.2010.01.21