根据另一种理论，由于金属制造技术的进步，短剑不必再为保持它的强度而刻意造得那么短了。
Another theory is that as metalworking technologies advanced, the gladius no longer had to be short if it wanted to maintain its strength.
半固态金属成形技术具有许多优点，被专家们称为21世纪新兴的金属制造关键技术之一。
Semi-solid metal technology is characterized by many advantages and believed as the key metal manufacture technology in 21 century by specialist.
半固态金属成形技术具有许多优点，被专家们称为2 1世纪新兴的金属制造关键技术之一。
There were many advantages in semi solid metal forming technology. Specialist believed it would become the key metal manufacture technology in 21 century.
半固态金属成形技术具有许多优点，被专家们称为2 1世纪新兴的金属制造关键技术之一。
There were many advantages in semi solid metal forming technology. Specialist believed it would become the key metal manufacture technology in 21 century.
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