ngc 3982 is located about 68 million light-years away in the constellation ursa major.

1、

the answer is that, if you're seeing only one dipper, it's probably the big dipper in the constellation ursa major.

答案是，如果你只看到一个，那很有可能是大熊星座。

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2、

of northern regions; from the seven stars (or seven plowing oxen) of ursa major.

关于北部地区的；来自大熊星座的七颗星（或北斗七星）。

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3、

explanation: big and beautiful spiral galaxy m81 lies in the northern constellation ursa major.

说明：庞大而美丽的旋涡星系M81位于北方大熊座内。

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4、

on the left is m97 in the constellation ursa major, also known in the northern hemisphere as the owl nebula.

左边是M97在大熊座，又称北半球的夜枭星云。

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5、

the best place to start is where my grandfather did, with the great bear (or ursa major).

最佳的起点正是我祖父的选择：大熊星座。

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6、

in the night sky, most noticeable are the stars of ursa major and the asterism known as the big dipper.

夜空中最有名的要数大熊座和北斗七星

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7、

probably the best known constellation , the stars of ursa major make up the great bear and the big dipper .

可能是最有名的星座，大熊座的星星组成了一个大熊和大勺。

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8、

increased dryness can be a combination of reduced oil production in your skin and environmental damage from washing or sun exposure.

你越来越干燥的皮肤可能是这两者的结合：你皮肤的油脂分泌变少和日晒雨淋的环境损害。

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9、

pre-stack reverse time migration of elastic wave equation

弹性波动方程叠前逆时偏移

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10、

zero-offset reverse time migration for prediction ahead of tunnel face

反射地震零偏移距逆时偏移方法用于隧道超前预报

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11、

an application of reverse-time migration in the ground-penetrating radar data processing

逆时偏移在探地雷达信号处理中的应用

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12、

reverse time migration of elastic wave and its imaging conditions

弹性波逆时偏移及其成像条件

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13、

terrain correction and migration of gpr profile fulfilled simultaneously using reverse-time migration

同时实现地质雷达数据地形校正和偏移成像的方法

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14、

in addition, the low-frequency noise caused by crosscorrelation imaging conditions also puzzles the practicality of reverse time migration.

而由互相关成像条件引入的低频噪声也是困扰逆时偏移实用化的一个问题。

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15、

this shows the importance of reverse-time migration in transversely isotropic media.

说明了横向各向同性介质逆时偏移方法的重要性。

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16、

prestack reverse time migration requires computing the first breaks time of imaging points.

叠前逆时偏移需要计算成像点的初至时间。

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17、

model test and calculation analysis on discharge of siphon spillway

虹吸溢洪道泄流量模型试验与计算分析

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18、

study on the hydraulic characteristics of siphon spillway

虹吸溢洪道水力特性试验研究

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19、

characteristic and calculation of pressure in siphon spillway

虹吸溢洪道压强特性分析和计算探讨

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20、

research of discharge characteristics and application condition of siphon spillway

虹吸溢洪道泄流特性及应用条件研究

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