| 1. | Ophthalmoscopy affords the only opportunity for direct visualization of blood vessels .
检眼镜检查法提供直接观察血管的唯一机会。 |
| 2. | The neutrino, although not directly observed, was a theoretical necessity .
当时中微子虽然还没有直接观察到，但它的存在有理论上的必然性。 |
| 3. | When a disturbance is input, one can then observe directly whether or not the disturbance grows .
当输入某一扰动时，可直接观察到扰动是否增长。 |
| 4. | Nothing can replace what the eye can see directly
没有什么能代替眼睛的直接观察 |
| 5. | Dotsc is directly observed treatment short cause
Dotsc是造成短期直接观察计划。 |
| 6. | You cannot look at the sun with the naked eye
你不能用肉眼直接观察太阳。 |
| 7. | Pail and shoe windowing for view , you can observe work case inside directly
桶体机座设计有视料窗，可直接观察内部工作情况。 |
| 8. | Direct observations of dna are giving new insights into how genetic material is copied and repaired
直接观察dna提供了观察遗传物质如何进行复制和修复的新视野。 |
| 9. | It is recommended that you visually inspect these parts to determine if a replacement or a cleaning is required
建议直接观察这些部件，决定是需要更换还是清洗。 |
| 10. | This assistance allows us to do our fieldwork on foot in the midst of the best area for the african wild ass
他们的协助让我们能在最好的地点，直接观察非洲野驴。 |
