您要查找的是不是：
- Introduced in accordance with the principle of infrared detectors made of various types, mainly give a passive pyroelectric infrared alarm structure theory and application circuit. 详细说明： 主要介绍了热释红外传感器的工作原理，另外还介绍一些热释红外线的各个组成部分及他们的功能。介绍了根据红外线原理制成的各种类型的探测器，主要给出了一种被动型热释电红外报警器的结构原理及其应用电路。这种电路把红外线的隐蔽性很好地应用于报警系统中，从而实现了防盗报警功能，达到了安全防护的目的。
- passive pyroelectric infrared sensor 被动式热释电红外传感器
- He played a passive role in the marriage. 他在婚姻中扮演了一个被动的角色。
- He had a passive expression on his face. 他脸上有一种漠然的表情。
- In spite of my efforts the boy remained passive. 尽管我努力，那男孩还是不起劲。
- The slaves gave passive obedience to their master. 奴隶们乖乖地服从他们的主人。
- passive pyroelectric 被动式热释电
- Passive character, attitude, quality, or behavior. 消极主义消极被动的性格、态度、品质或行为
- This construction should not be confused with the regular passive. 这种句法结构不可与按规则变化的被动语态相混淆。
- Good is the passive that obeys reason. 善是服从理智的被动性。
- Neither active nor passive; intransitive. Used of verbs. 不及物的既不主动也不被动的; 不及物的。用于指动词
- It lands the manager in a passive position. 它使经理处于被动地位。
- A bare trustee is a mere passive depositary. 被动受托人只不过是消极受托人。
- In spite of my efforts, the boy remained passive. 尽管我努力, 那男孩还是很被动。
- Latest Development of Hybrid Uncooled Pyroelectric IR FPA[J]. 引用该论文 胡旭;黄承彩;太云见;蔡毅.
- This is called passive immunisation. 这叫作被动免疫。
- Design and research of pyroelectric null detector[J]. 引用该论文 侯建伟;瑚琦;顾玲娟;李雯;王勇.
- Passive assent or agreement without protest. 默认，默许未持异议的被动赞成或同意
- A verb or construction in the passive voice. 被动语态形式被动语态形式的动词或结构
- They obeyed him because they were passive now. 他们乖乖地依了他的话，此时此刻他们已经毫无主见。
