When young Mary Sawyer was followed to school by a lamb in 1816, it caused some problems.

当1816年一头小羊羔跟着小马丽·索伊尔去上学时，它惹了不少麻烦。

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Some existing problems related to the device were also pointed out, followed by the countermeasures for it.

指出了该装置存在的问题及其解决方法。

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The present essay is to first summarize the achievements in admission to international students in China, and then to analyze the problems and reasons behind, followed by some corresponding solutions.

该文总结我国现阶段留学生招生的成绩，对我国留学生招生中存在的问题及原因作了深层次分析，提出相应的解决对策。

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Because each DNA molecule works like an individual computer, Adleman says for some problems, a DNA computer could do 100 quadrillion (1 followed by 17 zeros) operations in a single step while consuming almost no energy.

FORBES: DNA May Make Computers, Not Run Them