In this problem you will model a simple block world under certain rules and constraints.
在这个问题中，你将在确定的规则和约束条件下构建一个简单的积木世界。
For example, an early AI study of planning and robotics (STRIPS) used a block world in which a robot arm performed tasks involving the manipulation of blocks.
比如在早期的规划学和机器人学的人工智能研究就利用一个积木世界，让机械臂执行操作积木的任务。
Lined with about a dozen 18th century homes, Little Green Street only stretches a city block in length, but has survived the Blitz in World War II and three centuries of construction.
街两边有十几家18世纪的房屋，小格林街仅有一个城市街区的长度，但却从二战的大规模空袭和三个世纪来的反复建设中幸存下来。
Within a single square block there is a W Hotel, a Brooks Brothers, a shop that specializes in imported European shoes and a World of Wine store.
在一块方形街区，有一座W酒店，一家布鲁斯兄弟公司、一家专门进口欧洲鞋子的商店和世界葡萄酒商店。
Scientists lobbed a bombshell into the world of sub-atomic theory on Wednesday by reporting that a primary building block of the visible Universe, the proton, is smaller than previously thought.
科学家们周三向亚原子理论的世界抛了颗重磅炸弹：可见世界的一块基石——质子——比先前人们认为得要小。
Forest loss in other parts of the world mean that New Guinea now contains the planet's third largest block of rainforest.
世界上的其他地方的森林的减少，使得新几内亚的热带雨林成为了这个星球的第三大雨林。
The most important of these block foreign aid and lending to Myanmar by the World Bank, IMF and Asian Development Bank.
这些制裁最重要的地方就是阻止由世界银行、国际货币基金组织、和亚洲开发银行向缅甸提供援助和贷款。
This may sound impossible, because agriculture has been the great stumbling block of the World Trade Organisation.
这可能听起来不可思议，因为农业一直是世界贸易组织最大的绊脚石。
He quotes, admiringly, Bill Clinton, who once said that America should use its primacy "to create a world in which we will be comfortable living when we are no longer top dog on the global block."
他以钦佩之情引用克林顿所说：“美国应该使用其主导地位来创造一个当我们不再是全球的霸主时，仍旧能生活的舒适的世界。”
The Georgians have retaliated by threatening to block Russia's application to join the World Trade Organisation.
格鲁吉亚则再次威胁将阻挠俄罗斯加入世界贸易组织的申请。
Rising high through the polluted air of Guangzhou City in southern China is a 71-storey tower block which, according to its designers, will be the most energy-efficient in the world.
穿过广州污浊的空气,高耸入云的是这个71层高的大楼,据其设计者称，将是世界上最节能最绿色的大楼。
With all sorts of challenges unraveling across the world, it’s hard to imagine how any country or even a block of countries could well-manage on its own.
当前，各种全球性挑战日益突出，任何一国或国家集团都无法独自应对。
So they decided to “establish a world-standard school in the desert, ” says Mr Block.
Block说，他们决定“在沙漠中建立一所世界一流的学校”。
The corner-stones of resource management in .NET are IDisposable and the Using block. Aside from CLR objects, the lifespan of everything in the .NET world is managed using these tools.
NET中一切对象均使用这些工具进行管理。
According to Davidson, however, any theory assuming this distinction fails to block the challenge from scepticism about knowledge of external world.
根据戴维森的论证，这样的预设却无法回应有关外在世界的知识的怀疑论。
Today, Asia constitutes the largest block of digital users in the world, with Internet usage and mobile usage increasingly dwarfing other parts of the world.
亚洲拥有世界上最多的数字使用者，尤其是网络及行动电话的覆盖率更其它地区所望尘莫及。
But if we find ourselves in the presence of a person, or people, in a grumpy mood, it can feel like a dark cloud approaching to dim our radiance and block our positive way of seeing the world.
但是，如果我们发现自己存在的一个人，或人，在一个脾气暴躁的情绪，它可以觉得自己像一个乌云接近暗淡我们的辐射和阻止我们积极的方式看世界。
The "Interconnectivity" building block can also be referred to as the Networking part of the Wireless World reference model.
互联构造块同样能做为无线互联世界模型的网络部分。
Block books printing had spread through the world and greatly influenced the human civilization as well as the science and technology development since it was invented in China.
中国的雕版印刷技术发明后陆续地传播到世界各地，对人类的科技进步和文明产生了极大的影响。
The European Community has become one of the main forces in the world that can resist and block U. S. unilateralism.
欧盟已成为世界上抵制与牵制美国单边主义的主要力量之一。
It is the story of nameless individuals whose courage changes the world and marks the beginning of the end of the East German state - and of the entire Eastern block.
那是一段来自无用大众用自己的勇气改变世界，标志着东德彻底终结的故事。
So they decided to "establish a world-standard school in the desert, " says Mr Block.
布劳克先生表示，正因为如此他们才决定“在这沙漠之地建立一所世界级的学校”。
Kristen: I actually just moved from four blocks over... But this block is like another world.
克里斯滕：其实我刚从四个街区外搬来……但这条街像是另一个世界。
The powerful financial and media forces that block us from seeing any of this are continuing the spread of the herding culture and its obsolete and oppressive assumptions throughout the world.
通过强大的经济和媒体力量阻止我们接触这些思想，继续满世界的传播畜牧文化和它荒谬的、强迫性的设想。
Developers for a London apartment block setting world property price records explain their success to CNN's Jim Boulden.
伦敦公寓楼突破世界楼价纪录，开发商向CNN记者吉姆·博尔登阐述了他们的成功之路。
As the youngest art of printing in the world, silk screen block printing shares the same unique form of expression with copperplate etching, lithograph and xylograph.
丝网版画和铜版画、石版画、木版画有着共同的独特表现形式；丝网印刷是世界上最年轻的印刷工艺。
As the youngest art of printing in the world, silk screen block printing shares the same unique form of expression with copperplate etching, lithograph and xylograph.
丝网版画和铜版画、石版画、木版画有着共同的独特表现形式；丝网印刷是世界上最年轻的印刷工艺。
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