That was three years after the United States established a naval base at Pearl Harbor, on the island of Oahu.

VOA: special.2009.03.02

When it cuts it leaves sticky ends or un-base paired single stranded regions on each end of the part its cut and that's just a property of many restriction enzymes; not all, some cut blunt,just right down the middle.

它切割后会留下两个粘性末端,或者未配对的单链部分,这是许多限制性内切酶的特性,但不是全部,有些限制性内切酶是从中间钝切的

耶鲁公开课 - 生物医学工程探索课程节选

"The world will note that the first atomic bomb was dropped on Hiroshima,a military base.

VOA: special.2011.06.23

President Harry Truman announced to the world about the first bomb: "The world will note that the first atomic bomb was dropped on Hiroshima, a military base.

VOA: special.2009.06.14

The Space Needle has a wide base on the ground.

VOA: special.2009.03.04

They launched their plannoes on a quiet Sunday morning and attacked the huge American naval and air base at Pearl Harbor "We interrupt this program to bring you a special news bulletin: The Japanese have attacked Pearl Harbor,Hawaii by air, President Roosevelt has just announced."

VOA: special.2011.06.02

On May,22 they even launched a ground attack on Kandahar air field, NATO's sprawling military base outside the city.

VOA: standard.2010.05.26

closing an air field in a populated area and building a new one on an existing U.S.base in the northern part of the island.

VOA: standard.2009.10.20

In many places, hay bales were used as a base to dump the snow on.

VOA: standard.2010.02.16

It involves moving thousands of U.S.forces stationed on Okinawa, building a new air base and re-locating some of the troops to Guam, among other aspects.

VOA: standard.2009.10.18

In 2006,Japan and the United States agreed to close Futenma and move its facilities to another Marine base with a heliport built on reclaimed land offshore.

VOA: standard.2009.11.11

He made a commitment to the nation's service members, in a refueling stop at Elmendorf Air Force Base on his way to visiting four nations in Asia.

VOA: standard.2009.11.13

"And I believe we need a strong Republican Party that is not just anchored in the base, but has built on the base to include more individuals."

VOA: standard.2009.05.24

As U.S.Marines continued their new offensive across the Pakistani border in southern Afghanistan on Saturday, militants targeted a military base in the east with a truck bomb.

VOA: standard.2009.07.04

The town lay on a flat plain at the base of an Allegheny Mountain valley so steep that the hillsides rose straight upward along the Little Connemaugh River.

VOA: standard.2010.04.26

A military official tells VOA the Chairman of the Joint Chiefs of Staff, Admiral Mike Mullen, traveled to Germany Friday for an unannounced half-day meeting on a U.S.Air Base with the Afghanistan commander, General Stanley McChrystal.

VOA: standard.2009.09.25

Experts in Pakistan believe the involvement of the local Taliban in the attack on a CIA base in Afghanistan could mean more pressure on Islamabad to intensify its crackdown on militants to secure the border areas.

VOA: standard.2010.01.09

He said the main goal must be to prevent the country from again becoming a base for terrorist attacks on the United States as it was in 2001,which he said requires preventing the Taliban from returning to power.

VOA: standard.2009.09.22

That's the finding in a new study that analyzed over 750 published studies on children's health the findings were base on data from 50 years studies from children health, and health care disparities "Racial and ethnic disparities in children's health care are quite extensive, pervasive and persistent."

VOA: standard.2010.04.07