数字移位 numeric shift
数字式位移传感器 digital displacement transducer
数字式位移测量仪 digital displacement measuring instrument
字符移位 Alphabetic Shift
字符位移 Character Offset ; character displacement
数字位移测量仪 digital displacement measurement instrument
字母移位 [计] alphabetic shift ; letter shift
双字右移N位 NSRL
字段位移 field shift
要加载跨越16字节边界的值会十分困难，因为必须要将其存储到两个寄存器，进行移位然后再对它们进行掩码和组合。
To load a value which crosses a 16-byte boundary is even more difficult, as you would actually have to load it into two registers, shift them, and then mask and combine them.
要获得此字，应该先要从内存位置0加载一个四字，然后再移位以使所想要的值存在于首选槽内。
To get that word, you would need to load a quadword from memory location 0, and then shift the bits so that the value you want is in the preferred slot.
DB 2将数据写在512字节(HP - UX上是1024)的偏移位置上，这就是开始复制或者写入数据的位置。
DB2 places its data starting at the 512 byte offset (1024 on HP-UX) so this is where you should start copying from in the old location, and where you should start writing to in the new location.
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