For example, in the LD50 test, subjects are forced to ingest poisonous substances (through stomach tubes, vapor spray inhalers or injection) until half of them die.

举例来说，在LD50测试中，受试者(通过胃管，蒸汽喷雾吸入或注射)被迫摄取有毒物质直至其中一半动物死亡。

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But he forced me to have an injection and eat many medicines.

可是他却强迫我打针还有吃很多药。

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The cause and rule of warpage in the injection-moulding products was introduced. It listed the guarding measures in mold structure, molding technology and forced patterns against warpage.

介绍了注塑制品翘曲变形的原因及其规律。从模具结构、成型工艺、强制定型等方面，列下了避免翘曲变形的措施。

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Forced induction, direct injection and volumetric efficiency have all helped to render big 12's irrelevant.

WSJ: 2013 Bentley Continental GT V8 Review: Get More From Less | Rumble Seat by Dan Neil

Banks have been forced to undertake drastic restructuring in return for capital injection.

CNN: MONEY & INVESTING