查询词典 apparent magnitude

And, four kinds of typical reflecting systems were discussed in detail. Comparing the results, it is found that the angular blur spots in a Dall-Kirkham system and an inverse Dall-Kirkham system are at the same order of magnitude, which is almost ten times of a Cassegrain system′s.

详细讨论了四种典型的反射系统，Dall-Kirkham系统和反Dall-Kirkham系统的弥散斑角宽尺寸在一个数量级上，大约为卡塞格林系统的十倍。R-C系统的弥散斑角宽最小，几乎是卡塞格林系统的十分之一。

And there was a magnitude 7.5 earthquake in 1933 that caused more than 9,000 casualties.

并有一个里氏7.5级地震，造成1933以上的9000人伤亡。

The quake had a preliminary magnitude of 6.7 and was located in the Celebes Sea 175 miles (282 kilometers) southeast of Jolo Sulu Archipelago and 730 miles (1175 kilometers) south of Manila.

这次地震有6.7级，并初步在西里伯斯海，175英里（282公里）和鲁，苏禄群岛，和730英里以南位于马尼拉东南。

A 7.5 magnitude quake hit the Celebes Sea early Monday north of Indonesia's Sulawesi island.

在周一一早，西里南海北部印度尼西亚的苏拉威西岛遭受7.5级地震袭击。

A star of the second magnitude, at the end of the handle of the Little Dipper and almost at the north celestial pole .

北极星第二星的光度中的一颗星，位于小熊星座把柄的末端，几乎位于北天极

Magnitude, at the end of the handle of the Little Dipper and almost at the north celestial pole.

颗'。''星，位于小熊星座把柄的末端，几乎位于北天极

Into electrical voltage levels corresponding in magnitude to the state of the characteristic of the process measured.

传感器，用于将被测量的过程特性转化成变化的电压，并使之与被测量过程特性相一致。

The magnitude of the potentials and electric fields must be determined by means other than simply finding the net charge density .

巨大的潜力和电场必须是确定的其他方式不是简单地找到的净电荷密度。

The magnitude of the frequency shift is proportional to both the magnetic field strength B and to the charge to mass ratio, e/me, of the electron.

频移量与磁场强度B和电子的电荷质量比相对应。

The idea of a logarithmic earthquake magnitude scale was first developed by Charles Richter in the 1930's for measuring the size of earthquakes occurring in southern California using relatively high-frequency data from nearby seismograph stations.

以对数方式来记录地震等级的概念，最早是由查理斯。里查德在十九世纪三十年代提出的。他当时正在测量南加里弗利亚的地震等级，使用的是附近的地震检测台站的相关高频数据。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48