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ballistics    音标拼音: [bəl'ɪstɪks]
n. 弹道学,发射学

弹道学,发射学

ballistics
n 1: the trajectory of an object in free flight [synonym:
{ballistics}, {ballistic trajectory}]
2: the science of flight dynamics

Ballistics \Bal*lis"tics\, n. [Cf. F. balistique. See
{Ballista}.]
The science or art of hurling missile weapons by the use of
an engine. --Whewell.
[1913 Webster]

2. The science treating the motion of projectiles in flight,
especially when they are in free fall within the earth's
gravitational field.
[PJC]

3. The study of the characteristics of a cartridge fired from
a firearm, and of the processes occurring during the
discharge of a firearm.
[PJC]

4. The division within a police department which studies the
characteristics of cartridges fired from a firearm; the
ballistics department. The characteristics of the weapons
and bullets fired may be used as evidence in criminal
investigations.
[PJC]



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    Ablation of liver tumors is generally considered safe, with a low risk of complications However, as with any medical procedure, individual risks may vary based on patient health and tumor characteristics Consulting with a healthcare provider can help assess safety and effectiveness
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    Ablation therapy destroys liver cancer cells while trying to avoid damaging as much of the surrounding liver tissue as possible The 3 types of ablation therapy used for liver cancer are radiofrequency ablation (RFA), microwave ablation (MWA) and percutaneous ethanol injection (PEI) RFA and MWA use heat to destroy cancer cells or tumours
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    Ablation means to destroy tissue In liver cancer, this means destroying one or more liver tumours while doing minimal harm to the surrounding healthy liver tissue You may have this type of treatment: There are two main types of ablation – either using heat or cold to destroy tissue Using cold is called ‘cryotherapy’ or ‘cryoablation’





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