Letter of Indemnity (international trade and carriage business)信的赔款(国际贸易和运输业务) Letter Of Intent意向书 Limiting Oxygen Index极限氧指数 Letter Of Indemnity保函，也称损害赔偿保证书 Low Order Interface低阶接口 Lack Of Information信息不足 Level of Importance水平的重要性 List Of Items列出的物品 List of Illustrations插图目次 Loss On Ignition强热失量 Lunar Orbit Insertion[空]月球轨道导入 Lack of Interest兴趣不足 Letter of Invitation邀请信 Letter of Inquiry询价函件 Lodge of Instruction (Masonic lodge)提出的指令(共济会)