更多“衰落就是电波在大气中传播时，接收电平随时间变化的现象。”相关的问题
某农资公司经理李某出差时遇上了某化肥厂业务员郭某，李某表示可以考虑从该化肥厂买人一批钾肥。双方相互看过证件后，郭某拿出已盖好化肥厂合同专用章的合同文本并填好有关事项、签名，李某也在合同上签了名，因当时是出差，李某没带合同专用章，约好等李某回到公司再盖章，然后传真给郭某。因合同约定化肥厂在3月15日之前送货上门，化肥厂于3月12日将备好的钾肥送到了农资公司，农资公司却已经从别的厂采购了相同的化肥，拒绝收货。 化肥厂到法院起诉，要求认定双方合同关系成立，判决对方履行合同。农资公司答辩说，合同上没有盖章，合同还没有成立。 法院审理后，依据《中华人民共和国合同法》以下简称《合同法》第32条“当事人采用合同书形式订立合同的，自双方当事人签字或者盖章时合同成立”，认定双方合同关系成立。农资公司与化肥厂之间的合同关系是否成立？
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排队超过（）人，并维持3分钟以上，请示客运值班员加人实施双人办理乘客事物。
A.8 B.6 C.5 D.10
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由晶体三极管组成的三种组态放大电路，其输入电阻较大的是共（）极电路。
A.发射
B.集电
C.基
D.阳
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拱形受到压力时，能把压力向下和向内传递给相邻的部分。拱形受到压力时会产生一个向内推的力，抵住这个力，拱就能承载很大的重量。
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下列关于滴眼剂的叙述错误的是
A．滴眼剂指供滴眼用的澄明溶液或混悬液
B．洗眼剂是配成一定浓度的灭菌水溶液，供眼部冲洗、清洁用
C．滴眼剂表面张力越小，药物越难渗入
D．眼部手术或眼外伤用滴眼剂不许加入防腐剂
E．滴眼剂可以多剂量包装也可以单剂量包装
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No matter what the reason, though, juggling more than one job is guaranteed to be a crash course in time management. If you"re not careful, the word "crash" could become more than figurative.We all know that we"ll have to figure out a time management system when we take on a second job. Equally obvious is the fact that what works for one person (and their jobs) probably won"t work for anyone else. It"s up to you to find a system and stick with it. There are. a few tricks, though, that can help.Keep firm dividers between your different jobs. Even if you are the boss on your second job—you"re working for yourself—you have an obligation to keep that work separate from your day job. Focus on what"s in front of you. There"s actually a benefit to punching a clock when you work for more than one supervisor. When you"re on the clock for Company A, you know exactly which projects you should be working on. It Company A is paying for this time, you should be theirs, heart and soul, at least until you clock out.Good records can also help. I"m not just talking about the calendars and task lists most of us rely on, either. Making sure that you have any contact information available no matter whether you"re at Job A, Job B or Home can take some extra effort, but it"s worth it. The same goes for your notes and other paperwork.There will come a day when an emergency comes up at Job A when you"re supposed to be taking care of something for Job B. It"s a fact of life. Unless you have very understanding supervisors or clients, you"re going to have to choose between your jobs. In the moment, it"s very hard to make that decision. I"ve decided between jobs based on which I enjoyed more, which paid better and which was more likely to fire me.You can"t necessarily make decisions ahead of time, either. The best you can do is make sure you know which of your commitments is the priority when you"re thinking calmly and rationally. Beyond that, I"d suggest thinking about contingency plans. Personally, my contingency plan is very simple. I can pick up and move any of my projects to anywhere that has Internet access.I know plenty of people who bring their work to their primary job. It seems to be a favorite tactic of folks starting up a freelancing career or small business. I don"t think that"s the best way to manage a packed schedule. If you don"t have your primary employer"s permission, the arrangement is shady at best. That said, these situations do happen. If you"re in one of them, the best advice is to just keep things quiet. Give precedence to the employer who is paying you for this specific chunk of time.Some companies don"t want you to work anywhere else. They want you to put in your eight hours, go home, sleep well and come back rested. Others consider employees who go looking for other projects as assets—such employees have a jump start on networking and have a wider variety of experiences.Unfortunately, most supervisors do not come with a label describing which variety they are. Because it can be very hard to figure out your boss" stance, the general rule seems to be that you keep quiet on your extracurricular activities. I wouldn"t talk about Job A at Job B, although, if my boss was to bring up the matter, I"d be entirely truthful.
A．priority projectsB．minor projectsC．emergencyD．convenience
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《铁路客车运用维修规程》附件2—1“空调客车出库质量标准”对电子防滑器有何要求？
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紫外线照射治疗的适应证有（）。
A.银屑病 B.毛囊炎和疖肿 C.玫瑰糠疹 D.白癜风 E.慢性溃疡
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燃油滤清器结构分为（）和（）
A.循环多用式
B.周期更换式
C.可拆式
D.一次性旋装式
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（）是“三知三有”的内容之一；
A.知座席 B.知位置 C.知到站 D.知困难
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麻醉前已怀疑或确认困难气管插管的患者，下列哪种插管方法最安全（）。
A . 清醒气管插管
B . 喉罩通气
C . 气管切开
D . 全麻下纤维光导镜插管
E . 以上都不是
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四、根据下列文字资料回答问题。 中国申请新西兰学生签证的数据统计(截止2000年3月10日) 哪一个时期拒签的人数最多（）
A．1999.10.01-2000.03.10
B．1998.11.01-1999.09.30
C．1998.07.01-1998.09.10
D．1997.09.30-1998.07.01
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风筒末端到工作面的距离和自动切换的交叉风筒接头的规格、安设标准符合（）规定。
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在人身保险合同中，活体胎儿也可以成为合同的受益人。
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