Ultrasound is a safe, non-invasive, FDA approved diagnostic test that USES sound waves to measure blood-flow velocity in large arteries.
超声波是FDA认可的一种安全的非侵入性诊断实验项目，利用声波来测量大动脉血管中的血液流速。
The shocking safety distances for blasting with various charges and safe charge for specific distance are both determined according to the particle vibration velocity safety control standard.
根据质点振速的安全控制标准，确定了不同药量爆破的震动安全距离，以及确定距离的安全药量。
It has advantages such as large transport capacity, high velocity, safe, punctuality, low cost, energy conservation, as well as mitigation of ground traffic jam and environment protection.
它具有运能大、速度快、安全准时、成本低、节约能源、以及能缓解地面交通拥挤和有利于环境保护等优点。
High quality of brake is not only the guarantee to keep control of velocity, but also important to the safe driving.
良好的制动性能不仅能够保证对汽车速度的控制，更是对汽车安全行驶的重要保障。
The safe releasing velocity of small satellite which was launched from the main satellite was investigated.
论文针对母星在轨释放小卫星安全速度设计开展研究。
And the design requirements of the muzzle safe distance of the projectile fuze are concerned with not only the power of the projectile, but also its muzzle velocity.
炮弹引信炮口保险距离设计指标不但与弹丸威力有关，还涉及弹丸初速。
And the design requirements of the muzzle safe distance of the projectile fuze are concerned with not only the power of the projectile, but also its muzzle velocity.
炮弹引信炮口保险距离设计指标不但与弹丸威力有关，还涉及弹丸初速。
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