亮度

Algol's brightness variations are not due to some special quality of a single star.

大陵五的亮度变化并不是由于某些特性引起的。

Early stargazers had no way to know why Algol varied in brightness.

早期的天文学家没有方法得知为何大陵五的亮度会发生变化。

By adopting one step synthesizing method, the polymerization of directly aroma cyclizing of alkyne and nitrile is simple.

聚合反应通过炔腈直接芳环化，合成方法简单，采用一步法的合成方法，超支化聚合物显示出高亮度和高发光效率，具有耐高温，耐腐蚀，比重轻，强度高等特点，可望作为用于航天的高性能材料。

A novel high-luminosity LED railway annunciator composed of LED array and lens array was studied and developed.

研制了一种新型LED阵列和相匹配的聚光透镜阵列构成的高亮度LED 铁路信号机光学系统。

I haven't seen anyone claim that ANSI calibration translates into a reflectance of 18%.

顺便说一句，我从未见过任何人提出ANSI的标准可以转换为18%的反射亮度值。

It has 800×600 SVGA resolution and comes with 2200 ANSI lumens and a 2000:1 contrast ratio.

它800 × 600的SVGA决议，并配备2200 ANSI流明的亮度以及2000：1的对比度。

Antares is the 15th brightest star in the sky.

心大星的亮度在天空中位于第15位。

The various colours significant of various degrees of vitality (white, yellow, crimson, vermilion, cinnabar): their degrees of brilliancy: their magnitudes revealed up to and including the 7th: their positions: the waggoner's star: Walsingham way: the chariot of David: the annular cinctures of Saturn: the condensation of spiral nebulae into suns: the interdependent gyrations of double suns: the independent synchronous discoveries of Galileo, Simon Marius, Piazzi, Le Verrier, Herschel, Galle: the systematisations attempted by Bode and Kepler of cubes of distances and squares of times of revolution: the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion: the sidereal origin of meteoric stones: the Libyan floods on Mars about the period of the birth of the younger astroscopist: the annual recurrence of meteoric showers about the period of the feast of S.

357显示出不同程度之生命力的缤纷色彩（白、浅黄、深红、朱红、银朱）；诸星之亮度；一直包括到七等星、以等级标志的诸星之大小；诸星的位置；御夫座；沃尔辛厄姆路；大卫的战车；土星光环；螺旋星云凝固后形成有卫星的恒星群；两重大阳相互依存的旋转运动；伽利略、西蒙。马里乌斯、皮亚齐、勒威耶、赫歇耳、加勒等人各自独立地同时所做的发现；波得和开普勒所尝试的距离的立方与回转次数的平方的体系化；多毛的众彗星那几殆无限的被压缩性，以及自近日点至远日点那广漠的远心的重返大气层的椭圆轨道；陨石的恒星之起源；年纪较轻的天体观测者诞生的那个时期火星上所出现的"暗波"现象；每年在圣劳伦斯节前后降落的陨石雨；每月都发生的所谓"新月抱旧月"现象；关于天体对人体的影响的假定；威廉。

Lens: Our exceptional, multi-coated triplet, air-spaced apochromat uses the latest in multi-coating technology with the highest grade of optical glass to achieve exceptional image brightness and excellent color correction.

镜头：我们的例外，多层镀膜三重，空气隙的复消色差透镜采用最新的多与光学玻璃档次最高的镀膜技术，实现出色的图像亮度和出色的色彩校正。

The new FS series employs fully hard over-coated fluorite and low dispersion elements in an air-spaced f/8 doublet design that provides the highest contrast, brightest, and sharpest images in an apochromatic refractor today.

新的FS系列使用了完全硬镀膜和低色散透镜，两片空气间隔的透镜f/8能提供最大的成像对比度、亮度和锐度。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷