Lens（）。
Lens（）。
晶状体Lens
晶状体Lens
Money is a lens in a camera.
Money is a lens in a camera.
声透镜 acoustical lens
声透镜 acoustical lens
__________ measurement is the key to producing interchangeable parts and mass producing goods. A: Accuracy B: Precision C: Perfection D: Detail
__________ measurement is the key to producing interchangeable parts and mass producing goods. A: Accuracy B: Precision C: Perfection D: Detail
激光渐近成型（LENS）技术是将金属粉末通过复合激光头喷嘴喷出并用激光将金属粉末熔化成型，对LENS技术描述错误的是（）。 A: LENS技术适用于成型大尺寸的3D打印金属制件。 B: LENS技术成型件表面粗糙，层次感明显。 C: LENS技术成型的金属件可直接引用，制件性能优越。 D: LENS技术成型制件致密度较SLM成型技术低。
激光渐近成型（LENS）技术是将金属粉末通过复合激光头喷嘴喷出并用激光将金属粉末熔化成型，对LENS技术描述错误的是（）。 A: LENS技术适用于成型大尺寸的3D打印金属制件。 B: LENS技术成型件表面粗糙，层次感明显。 C: LENS技术成型的金属件可直接引用，制件性能优越。 D: LENS技术成型制件致密度较SLM成型技术低。
The aqueous humor? can alter the curvature of lens|fills the space between the lens and the retina;|is formed from the ciliary processes|absorbed mainly by the cornea
The aqueous humor? can alter the curvature of lens|fills the space between the lens and the retina;|is formed from the ciliary processes|absorbed mainly by the cornea
To protect the camera lens, be sure to reattach the lens cover（）returning the camera to its case. A: when B: what C: whether D: why
To protect the camera lens, be sure to reattach the lens cover（）returning the camera to its case. A: when B: what C: whether D: why
LENS技术可打印大型零部件。
LENS技术可打印大型零部件。
The underlined word “lens” in paragraph 6 means_________.
The underlined word “lens” in paragraph 6 means_________.