| 1. | The test tube is closed at one end with a hydraulic seal .
试管的一端为水封所封闭。 |
| 2. | Standard specification for disposable glass culture tubes
一次性生物培养玻璃试管的标准规范 |
| 3. | Can you calculate the content of the tube
你能计算出试管的容量吗 |
| 4. | Standard specification for glass westergren tube , disposable
一次性韦斯特格伦玻璃试管的标准规范 |
| 5. | Dimensions of test tubes made of glass or plastics for radioactivity measurements
放射性测量用玻璃或塑料制试管的尺寸 |
| 6. | Standard specification for blood sedimentation tube , wintrobe , glass , disposable
一次性温特罗布血沉玻璃试管的标准规范 |
| 7. | Dimensions of test tubes made of glass and plastics for radioactivity measurements
放射性测量用玻璃和塑料制试管的尺寸 |
| 8. | The depth of water in the first test - tube is less than half that in the other
第一只试管中水的高度不足另一试管的一半 |
| 9. | For inoculation of an agar deep tube , a straight needle is inserted to the bottom of the tube in a straight line and rapidly withdrawn along the line of insertion
在接种试管深层培养基时，一支直的接菌针直线地穿刺到试管的底部，同时快速地沿著接种线抽出。 |
| 10. | Israeli scientists have built a dna computer so tiny that a trillion of them could fit in a test tube and perform a billion operations per second with 99 . 8 percent accuracy
近日以色列科学家成功研制出超微dna计算机，这种计算机虽然只有普通试管的万亿分之一大小，运算速率却达到每秒10亿次，且准确率高达99 . 8 。 |
