There are, at present, mainly three modes of immunity of a stain witness, transaction immunity, use and derivative use immunity , and informal immunity.
目前，主要存在三种豁免模式：罪行豁免、证据使用豁免和非正式豁免。
Only one dose of the live vaccine is required to provide long-term immunity but the vaccine that is currently in use may result in spontaneous abortion if given to pregnant animals.
提供长期免疫只需要一剂活疫苗，但目前所使用的疫苗如果用于怀孕动物，则可能造成自然流产。
The effect of medicament-control, how to use vaccine controlling HCMV infection and related disease, and the role of passive immunity in controlling HCMV infection were introduced in detail.
阐述了使用药物控制HCMV感染的效果，疫苗在控制HCMV感染及引发疾病方面的作用及通过被动免疫控制HCMV感染的现状与进展。
Workers bees use this hormone to sterilize the food fed to larvae, protecting the next generation and contributing to the collective immunity of the hive.
工蜂利用这种激素为幼蜂的食物杀菌，以此来保护下一代并帮助保持蜂群的集体免疫力。
The risk factors were related to the invasive operations, the invalid use of antibacterial drugs, invalid operations, the patients' immunity and the irrational layout of SICU.
危险因素主要与侵入性操作，不合理使用抗菌药物，患者的免疫力低，住院时间长和SICU布局设置不合理有关。
The use of anti-HBV drugs together with the treatment of cancer which often suppresses immunity should be considered for those patients who have HBV infection.
对于此类病人，通常考虑在进行免疫抑制癌症治疗的同时使用抗HBV药物治疗HBV感染。
Workers bees use this hormone to sterilize the food fed to larvae, protecting the next generation and contributing to the collective immunity of the hive.
工蜂用该激素给喂养幼虫的食品杀菌，以此来保护下一代并为下一代蜂房的健康作微薄贡献。
Preventing leucocyte decline, enhancing immunity and according to susceptibility test results to use antibiotics reasonable can prevent infection in the hospital suffering from PA.
预防白细胞下降、增强机体免疫力及根据药敏试验结果合理使用抗生素可防治医院患PA感染。
DFT method can be fast implemented on DSP platform by the use of FFT algorithm, while the method of cyclic correlation has better noise immunity performance and high estimation accuracy.
离散傅立叶变换方法能够在DSP平台上通过FFT快速实现，而循环相关方法则具有很高的频率估计精度和很好的抗噪性能。
The process has the advantage of immunity to lightning and other electromagnetic interference by the use of optical fiber transmission.
使用新方法的优点在于利用光纤长距离传输多普勒频移信号，因此具有抗野外雷电及其他电磁干扰的特性。
The process has the advantage of immunity to lightning and other electromagnetic interference by the use of optical fiber transmission.
使用新方法的优点在于利用光纤长距离传输多普勒频移信号，因此具有抗野外雷电及其他电磁干扰的特性。
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