直线加速器

• 十(ten; vertical)ASSOCIATIVE
• 目(eye)RADICAL
• 一(one; straight line)ASSOCIATIVE

An eye looking straight down one line without deviation is what makes something upright and straightforward.

• 糸(thread; silk)RADICAL
• 泉(stream; water)PHONETIC

A thin thread flows like a small stream running long and continuously.

• 力(strength; power)RADICAL
• 口(mouth; speech)ASSOCIATIVE

Adding uses strength and words to increase.