The fly population density could be maintained low condition by spraying 2 . 5 % synergistic DDVP.

1、

Digital circuits ordinary have bus line configuration on printed circuit boards.

在印刷电路板上数字电路通常有总线配置.

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2、

Resistance ratios to deltamethrin, beta-cypermethrin, cypermethrin, cyfluthrin and DDVP were ( 1.52 )-( 8.28 ) , but there are very susceptive to propoxue with resistance ratio ( 0.92 )-( 1.13 ).

对溴氰菊酯、高效氯氰菊酯、顺式氯氰菊酯、高效氟氯氰菊酯、敌敌畏已不同程度地产生抗性,抗性倍数在 1.52 ~8.28之间;对残杀威敏感, 抗性倍数在0.92~ 1.13 之间.

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3、

They added these circuit boards to the computer main board.

他们将这些电路板加工成电脑的主板.

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4、

The toxicity of DDVP was 20 times greater than dipterex.

敌敌畏之毒性比敌百虫大20倍.

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5、

Permits automatic mounting to printed circuit boards using a chip mounter.

此小巧体积设计,可在印刷电路板中使用自动机器插件.

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6、

The latest developments of-halogen and-phosphorous flame-retarded epoxy resin for printed circuit boards were introduced.

综述了最近印制电路板用无卤无磷阻燃型环氧树脂的研究开发现状.

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7、

Like dialog data exchange ( DDX ), RFX needs information about the data members of your class.

与对话框数据交换 ( DDX ) 一样, RFX也需要有关类的数据成员的信息.

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8、

Each core stored one bit of data, sandwiched between circuit boards.

每个核心存储一位数据, 并被夹在电路板之间.

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9、

It is hard to pute ddy on the ball with hand-shakegrip.

用横拍很难发出旋球.

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10、

After going over the Col de Vars, the route passes through St-Paul-sur-Ubaye.

这条道越过瓦尔山口之后，穿过于拜河畔圣保罗。

《柯林斯高阶英汉双解学习词典》

11、

He gained a first class Honours de-gree in economics.

他获得了经济学一等荣誉学位。

《柯林斯高阶英汉双解学习词典》

12、

He has plenty of joie de vivre.

他尽情享受生活的乐趣。

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13、

They've been put on high alert after allegations of firing across the factor de facto border.

在受到事实上跨边界的开火指控后,他们被要保持高度的警惕性.

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14、

Though his kingship is challenge, he continue to rule de facto.

虽然他做国王的身分为人诟病, 但他仍大权在握.

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15、

One would be an end to America's de facto power of veto in the IMF.

这将意味着,美国在国际货币基金组织上现存否决权的终结.

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16、

That would be fought as a de facto referendum on Mr Tsang's proposals for democratic reform.

这实际上将作为对曾荫权的民主改革提议发起全民公投.

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17、

The general took de facto control of the country.

这位将军实际上控制了整个国家。

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18、

Once an OSS become de facto standard it's still an open standard.

即使该开源软件成为某种“事实标准”,它也仍然是一个开放标准.

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19、

The trend of businessmen becoming de facto fund managers or speculators a worrisome one.

商人变成实质上的基金经理或投机者是让人担忧的.

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20、

The target of Renminbi's rate regime is a de facto managed floating rate with enough flexibility.

人民币汇率制度的改革方向是重归真正的有管理浮动汇率制,增加弹性和灵活性.

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