简述家庭因素对学前游戏的影响。
房地产评估的原则包括()。 ["供需原则","替代原则","最有效使用原则","贡献原则","合法原则"]
【背景资料】某工业厂房车间3层,7度抗震设防。高度20m,长度为70m,独立基础,结构形式为砌体承重结构。在建成使用几个月后发现底层局部地面呈锅底形下沉,砼地面脱落、开裂,后来又发生墙体开裂,裂缝呈正八字裂缝和斜向裂缝,裂缝宽度达1mm~2mm,一般分布在底层中下部,且首先在窗对角突破,严重影响了建筑物的使用和工厂面貌,给工厂造成了重大的经济损失。经翻阅资料发现,该仓房实际上处于软弱土层,且为淤泥质土,地勘报告不准确;最终认定是由于地面不均匀沉降造成的危害
为了控制地基不均匀沉降,增强基础刚度和整体刚度,应在适应部位设置()。 ["沉降缝","伸缩缝","施工缝","变形缝"]
挖掘包扎
How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog?() [" Issue the grant command from the SYS user (or equivalent) of the target database."," Issue the grant command from the SYS user (or equivalent) of the recovery-catalog database."," Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog."," Issue the grant command from RMAN when connected to the recovery catalog-owning schema."," Issue the grant command from RMAN when connected to the target database."]
单细胞真菌(如酵母)借助哪些方式增加细胞数目?