为学生引路,为学员服务 several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per (二)债权人下落不明; (三)债权人死亡未确定继承人或者丧失民事行为能力未确定监护人; (四)法律规定的其他情形。 标的物不适于提存或者提存费用过高的,债务人依法可以拍卖或者变卖标的物,提存所得的价款。” 请根据民法原理分析: (1)提存的概念和法律意义。 (2)提存需要具备的条件。 (3)提存的效力。 3. 《继承法》第31条规定:“公民可以与扶养人签订遗赠扶养协议。按照协议,扶养人承担该公民生养死葬的义务,享有受遗赠的权利。 公民可以与集体所有制组织签订遗赠扶养协议。按照协议,集体所有制组织承担该公民生养死葬的义务,享有受遗赠的权利。 ” 请运用民法原理分析: (1)遗赠扶养协议的概念和特征。 (2)遗赠扶养协议的法律效力。 (3)遗赠扶养协议与遗赠的区别。 4. 《物权法》第6条规定:“不动产物权的设立、变更、转让和消灭,应当依照法律规定登记。动产物权的设立和转让,应当依照法律规定交付。” 请根据民法原理分析: (1)请根据本条规定概括我国物权变动的立法模式。 (2)请根据本条规定分析物权变动和物权公示原则的关系。 5. 《物权法》第106条规定:“无处分权人将不动产或者动产转让给受让人的,所有权人有权追回;除法律另有规定外,符合以下情形的,受让人取得该不动产或者动产的所有权: (一)受让人受让该不动产或者动产时是善意的; 为学生引路,为学员服务 several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size. Per-2~3 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a,, to b vertical box distance for b, list can measured several group number, then with b ± a, =c,c is is methyl b two vertical box between of accurate size.