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In the future you may be whizzing down the highway at 88 kilometers (55 miles) per hour. That won’t seem unusual. What will,however, is that you won’t be using a drop of gasoline. You’ll be driving an electric car. Engineers at Gulf and Western Industries have invented a new battery that will enable electric automobiles to travel great distances. With

关键词： In An Electric Car in Your FUTURE

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WHY DO PEOPLE YAWN?

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大学英语 1989年第2期 25-26页

作者： randy smith 杨一铮

(1) Why do people yawn? No one really knows for sure. Most people believe they yawn because they are tired. During yawning, air is breathed in, the throat cavity enlarges, and muscles in the neck and jaws contract. The pressure of these contractions can often be felt in the middle ear where a "popping" sound can be heard. A11 these things

关键词： WHY DO PEOPLE YAWN

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Cyclomatic Complexity and Lines of Code: Empirical Evidence of a Stable Linear Relationship

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Journal of Software Engineering and Applications 2009年第3期2卷 137-143页

作者： Graylin JAY Joanne E. HALE randy K. smith David HALE Nicholas A. KRAFT Charles WARD 不详

Researchers have often commented on the high correlation between McCabe’s Cyclomatic Complexity (CC) and lines of code (LOC). Many have believed this correlation high enough to justify adjusting CC by LOC or even substituting LOC for CC. However, from an empirical standpoint the relationship of CC to LOC is still an open one. We undertake the largest statistical study of this relationship to date. Employing modern regression techniques, we find the linearity of this relationship has been severely underestimated, so much so that CC can be said to have absolutely no explana-tory power of its own. This research presents evidence that LOC and CC have a stable practically perfect linear rela-tionship that holds across programmers, languages, code paradigms (procedural versus object-oriented), and software processes. Linear models are developed relating LOC and CC. These models are verified against over 1.2 million randomly selected source files from the SourceForge code repository. These files represent software projects from three target languages (C, C++, and Java) and a variety of programmer experience levels, software architectures, and de-velopment methodologies. The models developed are found to successfully predict roughly 90% of CC’s variance by LOC alone. This suggest not only that the linear relationship between LOC and CC is stable, but the aspects of code complexity that CC measures, such as the size of the test case space, grow linearly with source code size across lan-guages and programming paradigms.

关键词： Software Complexity Software Metrics Cyclomatic Complexity

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Mutation-Specific Antibodies for the Detection of EGFR Mutations in Non-Small-Cell Lung Cancer

Mutation-Specific Antibodies for the Detection of EGFR Mutat...

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第六届全国免疫学学术大会

作者： Susan Kane Elisa Benedettini Cynthia Reeves Gregory Innocenti randy Wetzel Katherine Crosby Alison Becker Michelle Ferrante Gabriel Cheung Lucian R.Chirieac Lynette M.Sholl Herbert Haack Bradley smith Roberto D.Polakiewicz Massimo Loda Michael J.Comb Cell Signaling Technology Inc.3 Trask LaneDanversMA 01923 Department of Medical Oncology and Center for Molecular Oncologic Pathology Dana-Farber Cancer InstituteBrigham & Women’s HospitalBostonMassachusetts 02115USA

Activating mutations within the tyrosine kinase domain of the epidermal growth factor receptor (EGFR) are found in approximately 10-20% of non-small cell lung cancer (NSCLC) patients and are associated with response t...

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