例句與造句

1. The beads in the shorter grooves denote fives  five units, five tens etc ., essentially in a bi-quinary coded decimal system, obviously related to the Roman numerals.
2. The beads in the upper shorter grooves denote fives & mdash; five units, five tens, " etc . ", essentially in a bi-quinary coded decimal place value system.
3. It's difficult to find quinary code in a sentence. 用quinary code造句挺難的