名词锐角
1. 锐角：美国航天总署(NASA)Ames研究中心的科学家宣称,通过在光子晶体波导(photonic crystal waveguide)中引入特定的缺陷,他们设计出第一具能使光以小于90度的锐角(acute angle)转弯的次波长反射镜.
2. 锐角 小于九十度的角：恕不赊帐: no credit | Acute Angle 锐角 小于九十度的角 | Align 准线 将往上引导的基准线
3. 費叔：adjacent angle惣叔? | acute angle費叔? | obtuse angle緊叔?
4. 尖音符号：acupuncture 针刺疗法(~ist n.针疗医师) | acute angle 尖音符号 | add-in (计算机)附加软件(~ a.附加软件的)
1. But Anelka reacted swiftly to seize possession again and curl a superb effort past the Porto keeper from an acute angle.
2. acute angle
2. The game was effectively over after 18 minutes when Adebayor threaded in a shot from an acute angle.
noun
1. an angle less than 90 degrees but more than 0 degrees