自从90年代初引入以来，Python已经成为一种强大的编程语言。
Python has emerged as a powerful programming language since its introduction in the early 1990s.
为了应对广告的减少和街角销售的下滑，《纽约时报》打算在2011年初引进一种“计量”模型。
Struggling with an evaporation of advertising and a downward drift in street corner sales, The New York Times intends to introduce a "metered" model at the beginning of 2011.
在20世纪初，有四种远距离传送信息和接收信息的有效方式：印刷、摄影、电报和电话。
At the beginning of the twentieth century, there were four powerful means of transmitting and receiving information over long distances: print, photography, telegraph and telephone.
这周初，Nocera报道发明了一种廉价催化氢气形成的催化剂，使用了3种不同金属。
Earlier this week, Nocera reported devising a cheap catalyst that USES three different metals to form H2.
在20世纪初，汽车一般由5种原材料制造而成，也就是木材、橡胶、钢铁、玻璃和黄铜。
At the start of the 20th century they were typically made up of about five raw materials: wood, rubber, steel, glass and brass.
在20世纪90年代初，研究人员在研究一种虫子的基因时发现了一种很短却又与众不同的核糖核酸。
In the early 1990s, researchers studying a species of worm discovered genes for a very short and very unusual piece of RNA.
为了对抗经济低迷，增值税(一种消费税)税率在过去的13个月里都是15%，在2010年初，税率重回17.5%，消费者或许会感到受了打击。
Consumers may well have been discouraged when the main rate of VAT, a consumption tax, was restored to 17.5% at the start of 2010 after 13 months at 15% to counter the downturn.
上世纪30年代末至40年代初，由霍华德·弗洛里率领的团队在牛津把它开发成一种药。
It was developed into a medicine by Howard Florey and his team at Oxford in the late Thirties and early Forties.
它的深入研究，将为大口径非球面精磨和初抛光阶段提供一种有效、可靠的定量检测手段。
The further research may provide an effective and reliable quantitative testing method for the exact-grinding and initial polishing of aspheric surfaces.
酶抑制法具有检测时间短、成本低、操作简便等特点，是目前我国控制农药残留的一种有效的初筛方法。
The enzyme inhibition method only needs short time, low cost, simple operation, and it becomes an effective initial method for controlling pesticide residues in China nowadays.
合作学习是20世纪70年代初兴起于美国，并在70年代中期至80年代中期取得实质性进展的一种富有创意和实效的教学理论与策略。
The Cooperative Learning became popular in the USA in 70s of 20th century. It's a creative and effective teaching theory as well as a strategy which got essential progress between 70s and 80s.
一种亚稳态铁酸盐和碳化铁集合体，由奥氏体在低于珠光体温度但高于马氏体初温时变性而形成。
A metastable aggregate of ferrite and cementite resulting from the transformation of austenite at temperatures below the pearlite but above the marten site start temperature.
温度变形和自生变形是硬化混凝土在初龄期两种最主要的变形。
Temperature deformation and autogenous deformation are the two major forms of deformation of hardening concrete in early age.
结论：由于PCR -双酶切方法快速、简单、易操作，且特异性好，可作为CMT1A基因诊断的一种初筛方法。
CONCLUSION: Because of the speediness, simpleness and good specificity, the PCR combined with restriction enzyme digestion can be used as a primary screening in the gene diagnosis of CMT1A.
2009年初，墨西哥成为一种不可思议的疾病暴发中心。与以往总是袭击老年人的季节性流感不同，这种严重的呼吸道疾病影响年轻人。
In early 2009, Mexico was the epicenter of a mysterious outbreak. A severe respiratory illness was affecting young people, contrary to seasonal viruses that often attack the elderly.
提出一种利用折射初至反演低速带的结构来进行长波长静校正的有效方法。
Authors put forward an effective method which achieves long-wavelength static correction by deriving the low-velocity layer structure from refraction first breaks.
对广义自缩序列生成器，利用猜测攻击的思想给出了一种比较快速的初态重构算法。
An initial reconstruction algorithm is given for the generalized self-shrinking sequences using the ideas of the guessing attack.
轻歌剧就是繁荣于19世纪末至20世纪初的一种重要歌剧样式。
Operetta is an important kind of opera, which just flourished in the period of the late 19th century and the early 20th century.
为此，本文提出了一种新的基于图像边缘检测技术的初至波自动拾取方法。
For that reason, the paper presented a new method of automatic first breaks pick-up based on the technique of image edge detection.
提出了一种基于误差知识的二重插值DFT方法用于高精度时钟初相测量。
A high performance measurement of initial phase via a Dual Interpolated DFT method based on error information is presented.
敦煌写本《字宝》是二十世纪初在敦煌莫高窟藏经洞发现的一种俗字书。
Dunhuang manuscript Zi Bao was discovered in the Cang Jing hole of Dunhuang Mogao hole at the beginning of twenty century.
敦煌写本《字宝》是二十世纪初在敦煌莫高窟藏经洞发现的一种俗字书。
Dunhuang manuscript Zi Bao was discovered in the Cang Jing hole of Dunhuang Mogao hole at the beginning of twenty century.
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