Most of the suggestions are old-fashioned accounting tricks, such as trying to add estimates of the black economy into the official number for gross domestic product.

Because of the variety of the underground economy patterns, there are many names to the underground economy, such as black economy, shadow economy, informal economy etc.

由于地下经济活动种类的多样性，世界各国对地下经济的称谓也各有不同，例如：黑色经济（Black Economy），影子经济（Shadow Economy）、非正规经济（Informal Economy）等。

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Scale of black economy is estimated by means of GNP data analysis and other relevant analysis. Reasons for tax evasion and corruption in black economy are discussed.

通过对GNP数据的分析和相关分析，估计了黑色经济规模，并讨论黑色经济中偷漏税、腐败的成因。

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E.g. the part of an economy which is not declared to the tax authorities is known as the black economy.

不向税务部门申报的经济领域被称为黑市经济。

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No one has any idea of the scale of the black economy by its nature it is secret.

谁都不清楚黑色经济的规模其本质上就是秘密的。

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On the other is a large black economy that they find it hard to compete with.

另一堵墙是大规模的黑市，正规公司很难与之竞争。

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Estimated Analysis& Application of Modern Black Economy

当代黑色经济的估计分析与应用

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It is from the microscopic to study the black economy.

第三部分为黑色经济的运行机理，从微观上研究和把握黑色经济。

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And, where there is no legal route, there are always people-smugglers and the black economy.

而且，就算没有合法途径，也总会有蛇头和黑市经济。

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A recent report suggests that many self-employed and part-time workers are contributors to the black economy.

最近的一份报告指出，有很多个体经营者和兼职工人是促成黑市经济的因素。

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The arch feed was replaced with bowstring feed in spatial arch interpolate, or circular arc was replaced with spatial straight line.

空间圆弧粗插补用弦进给代替弧进给，即用空间直线代替圆弧。

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Unless the patient has a very sensitive bowstring sign, no pain is felt in the popliteal fossa region.

除非病人感觉过敏，通常在？窝区没有疼痛。

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He looked the very model of an Eastern Emir, an agent or a victim of the bowstring.

他看上去活象个东方的埃米尔，一名出生入死的沙场勇士。

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This article studies the growth, the performance style and the teaching experience of Liu Mingyuan in the area of the bowstring art.

本文研究了刘明源在弓弦艺术领域的成长、演奏风格与教学经验。

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Gucheng bridge is a steel tube concrete bowstring arch and variable cross section continuous beam composite system through bridge with single load plate.

古城大桥是一座下承式单承载面钢管混凝土系杆拱与变截面连续梁组合体系桥梁。

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This article puts forward the parallel method of bowstring to understand the square distance of algebra, and discussed its astringency.

本文提出了解代数方程的平行弦迭代法，并讨论了它的收敛性。

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After shooting, take out the auxiliary-bowstring firstly, then take out the main bowstring.

击发后，先拆下副弦，再拆主弦。

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Design of Half-Through Steel Pipe Bowstring Concrete Arch Bridge of Long-Span, and Knowledges to It

大跨度中承式钢管系杆混凝土拱桥设计和体会

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Design of Rigid-Frame Bowstring Arch Structure on Y-Shape Piers of Qujiang River Bridge

衢江大桥Y腿刚构系杆拱桥设计

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Background engineering section of basket bowstring steel arch bridge, using the "ar" overall construction scheme construction.

背景工程的主桥为提篮式系杆钢拱桥，采用先拱后梁的整体施工方案施工。

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General Formula for Lateral Buckling Critical Force of Through Bowstring Tied Arch Bridge Without Transverse Beams

无横撑下承式系杆拱桥侧倾稳定临界荷载的一般公式

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