spiral growth螺线: spiral; spire; helix; helica ...生长: grow; grow up; ascent; meris ...抛物线生长: parabola growth; parabola-growth线生长速度: linear growth rate; velocity of linear growth算术直线生长: arithmetic linear growth下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:螺线生长,即可在微信中查询翻译