它们在天鹅座的天津四这颗亮星的东北方。
Look northeast of bright star Deneb in the constellation Cygnus the Swan.
日落后率先在西方天空中出现的三颗星星是织女星，牵牛星和天津四。
The first three stars to pop out into your western sky after sunset are Vega, Altair and Deneb.
从天鹅座中的明亮恒星天津四往东北方向寻找，就能找到这一小片星云状光斑！
Look for a small nebular patch North-East of bright star Deneb in the constellation of Cygnus.
日落后的的45~60分左右，从天津四开始，穿过牵牛星画一条线，可以找到地平线附近的水星。
Some 45 to 60 minutes after sunset, draw a line from the star Demeb through the star Altair to locate Mercury near the horizon.
日落后，织女星，天津四和牛郎星是首先照亮东半空的三颗星。甚至在轻度污染的城市里，它们那闪烁的明亮光芒也可以被看到。
It's stars - Vega, Deneb and Altair - are the first three to light up the eastern half of sky after sunset, and their bright and sparkling radiance is even visible from light - polluted cities.
下面标注过的图可以帮助辨认恒星，其中包括明亮的白色恒星天津四(天鹅座)，织女星，牛郎星，银河系中心附近的星云，还有银河中黑色的遮掩尘埃云，也被称为大暗隙。
Highlights include bright white stars Deneb (in Cygnus), Vega, and Altair, nebulae near the Galactic Center, and the dark obscuring dust clouds of the Milky Way also known as the Great Rift.
而对天文观察者来说，它意味着夏季的标志—夏季大三角（在夏季的东南方高空里由天琴座的织女星、天鹅座的天津四及天鹰座的牛郎星组成的三角形）的退去和预示着秋季的星座的到来。
For skywatchers it means the passing of the season's trademark Summer Triangle of stars and the arrival of the autumn constellations.
此次中国行我们访问了北京、天津、上海和海南省四地。
Steven C. Rockefeller:We're planning to visit Shanghai and Beijing this time.
本文对天津大港某油站四具油罐地基发生不均匀沉降，导致罐体倾斜的原因进行了分析。
This paper makes an analysis on the cause of non-uniform settlements of four oil tank foundations leading to tank tilting at Dagang oil station.
天津开发区社会发展局内设办公室、文教科、卫生科、社区科四个科室。
The TEDA Social Development Bureau consists of 4 sections, which are General Office, Culture and Education Development Section, Public Health Development Section and Community Development Section.
在天津大学研制的五坐标旋转锉刃磨机床的基础上，研究了旋转锉的四坐标数控刃磨技术。
The Development of the Three-Axis Numerical Control System of the Boring and Milling Machine Tool Based on IPC;
在天津大学研制的五坐标旋转锉刃磨机床的基础上，研究了旋转锉的四坐标数控刃磨技术。
The Development of the Three-Axis Numerical Control System of the Boring and Milling Machine Tool Based on IPC;
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