To ensure driving safely, a large quantity of active and passive safety devices are widely used on coaches, which greatly improve bus safety than before.
为保证行车安全，大量主动、被动安全装置在客车上得到广泛应用，客车的安全性较以前有了很大提高。
Passive safety system protects the passengers in case of an accident such as airbag and seat-belt tightener. Active safety systems help prevent accidents such as ABS and TCS.
被动安全系统在事故是保护乘客，如一个胶皮安全气囊和安全带。主动安全系统帮助预防事故，如abs和TCS。
However, most methods of the current combination still remain the combination of styles, that is, merely a vehicle USES active security technology and passive safety technology simultaneously.
然而，目前的大多数结合仍然停留在相加式的结合，即仅仅是在同一辆车上同时使用主动安全技术与被动安全技术。
Although compared with the previous, improved their safety, but when faced with security attacks (passive attacks and active attacks), the whole network system security still needs to be improved.
虽然与之前相比，其安全性有所提高，但当面临安全攻击(被动攻击和主动攻击)时，整个网络系统的安全性仍然亟待提高。
As these advances accelerate, image sensors with integrated intelligence will become part of both passive and active safety systems.
随着技术进步的速度加快，集成更多智能性的图像传感器将成为被动和主动型安全系统的组成部分。
Objective To evaluate the efficacy and safety of lamivudine treatment and active-passive immunization during the last trimester of pregnancy in preventing intrauterine HBV infection.
目的评估妊娠晚期应用拉米夫定联合主被动免疫对于阻断HBV母婴传播的疗效及安全性。
Objective To evaluate the efficacy and safety of lamivudine treatment and active-passive immunization during the last trimester of pregnancy in preventing intrauterine HBV infection.
目的评估妊娠晚期应用拉米夫定联合主被动免疫对于阻断HBV母婴传播的疗效及安全性。
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