查询词典 spiral

Standard in Butyrate, HDPE, and Nylon, Spiral wrap is commonly used to protect wire and hose.

标准材质是丁酸、高密度聚乙烯和尼龙，长用于保护金属丝和软管。

Objective To evaluate the influence of multislice spiral CT scan parameters on image quality and coronary artery calcification score.

目的 探讨不同扫描参数对图像质量和冠状动脉钙化评分的影响。

Anyone with a good pair of binoculars, however, can see this Whirlpool toward the constellation of Canes Venatici. M51 is a spiral galaxy of type Sc and is the dominant member of a whole group of galaxies.

但如果有人的眼睛足够好就可以向Canes Venatici星群眺望看见它。M51是一种Sc形态的螺旋状星云并且是整个星系中的领导成员之一。

Also known as Messier 51a, M51a, or NGC 5194, the Whirlpool Galaxy is an interacting grand-design spiral galaxy located at a distance of approximately 23 million light-years in the constellation Canes Venatici.

漩涡状星系又被称为"梅赛耶51a"，"M51a"或"NGC 5194"，与的地球距离为2300万光年，位于北天的猎犬座，是一个庞大的，与它的伴星系共存的螺旋状星系。

In the direction of the constellation Canis Major, two spiral galaxies pass by each other like majestic ships in the night.

在大犬座方向，两个螺旋形的星系正在彼此穿过，好像暗夜里威严的航船。

In the spatial domain, canonical projection of the Wigner distribution function of the associated pupil function to show the insensitivity of the system's point spread function to the defocus-related aberrations is mainly used, and in the frequency domain, it is shown that the optical transfer function of such a system is also insensitive to misfocus through a geometrical description of the so-called Cornu spiral.

空域中，主要利用维格纳分布函数的正则投影来分析系统的点扩展函数对离焦像差的变化不敏感特性；频域中，则利用考纽螺线的图解方法来分析系统的光学传递函数对离焦像差的变化不敏感特性。

Objective To discuss the clinical value of 64-slice spiral computed tomography and ultrasonic cardiography in the assessment of pediatric congenital heart disease. Methods Imaging data of 64-slice CT and ultrasonic cardiography obtained in 31 preoperative patients were analyzed retrospectively.

目的 通过64层螺旋CT及超声心动图与手术结果的对比分析，探讨两者对儿童先天性心脏病的诊断价值方法对31例先心病患儿的心脏CT和超声心动图进行回顾性分析，并与手术结果对照。

Objective To explore the clinical value of 64 - slice spiral CT in the diagnosis of congenital cardiopathy.

目的探讨64层螺旋CT在诊断先天性心脏病中的临床价值。

Objective To investigate the spiral CT features and diagnostic value and clinical significance of cavernous transformation of portal vein.

目的 探讨门静脉海绵样变性的螺旋CT表现特征、诊断价值和临床意义。

The methods of disturbance, spiral cylindrical cavity and stripline resonator were used respectively for measuring the permittivities for microwave dielectric substrates. The substrates are made from PTFE based fine ceramics, and errors of measurement have been analyzed.

采用微扰法、螺旋圆柱谐振法和带状线谐振法分别对聚四氟树脂复合精细电子陶瓷微波复合介质的复介电常数进行了测量与误差分析。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失