《铁路技术管理规程》(普速铁路部分)客运站房,根据需要设置电梯、自动扶梯、无障碍通道和相应的助残设施、污物处理、自动售检票和()设备等。
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酶催化反应的产物为酸性时,固定化酶最适pH比游离酶的最适pH(),产物为碱性时,固定化酶的最适pH比游离酶的最适pH(),产物为中性时,最适pH()。
行社要建立严格的固定资产清查盘点制度,实物保管部门和财务部门共同负责,做到账账、账卡、账实三核对,保证账账、账卡、账实相符。清查工作每年不得少于()
A. 1次
B. 2次
C. 3次
You have some compressed bitmap files in a directory of your Windows 2000 Professional computer. The file compression has reduced their size from 2 MB to 1 MB. You attempt to copy them to a floppy disk, but an error reports that the destination drive is full. How can you copy the bitmap files to a 1.44 MB floppy disk? ()
A. Use a third-party file compression utility to create a compressed archive containing the bitmap files. Copy the compressed archive to the floppy disk.
B. Create an empty compressed folder on the floppy disk, and copy the files to the new folder.
C. Format the floppy disk as NTFS, and restart the copy operation.
D. Confirm that the cluster size on the NTFS volume is greater than 32k.
双辊压榨类型中,上辊相对于下辊有一定的偏移。偏移方向趋向于纸幅运行方向的压榨类型是真空压榨;而与纸幅运行方向相反的是普通压榨、沟纹压榨或盲孔压榨。
A. 正确
B. 错误