查询词典 snail shaped

The snail darter is a small fish, three inches long, swift and pretty in the water but totally uninteresting out of it.

食蜗镖鲈是一种小鱼，三英寸长，在水中行动敏捷，很好看，但一出水就一点儿也引不起人们的兴趣了。

he snail darter occurs only in the swifter portions of shoals over clean gravel substrate in cool, low-turbidity water.

蜗牛镖仅仅生活在干净的沙砾层底层之上的清澈、凉快的浅滩水中。

Meanwhile, Congress had also become involved in the fate of the snail darter.

与此同时，国会也卷入了有关蜗牛镖命运的纠纷之中。1975年4月——即蜗牛镖被列入濒危物种名录第7个月前，在众议院拨款委员会的小组委员会上，田纳西流域管理局代表描述了这种鱼的发现以及《濒危物种法》和泰利库工程的相关性。

More important for the purposes of this case, the Secretary determined that the snail darter apparently lives only in that portion of the Little Tennessee River which would be completely inundated by the reservoir created as a consequence of the Tellico Dam's completion. Id., at

对本案的目的来说更为重要的是，内政部长发现蜗牛镖明显之生活在小田纳西河的某个区域，而次区域将被泰利库大坝建成后所形成的水库所淹没。

The moving force behind the snail darter's sudden fame came some four months after its discovery, when the Congress passed the Endangered Species Act of 1973, 87 Stat.

在蜗牛镖发现并声名鹊起的四个月后，美国国会通过了1973年《濒危物种法》。

Fed. Reg. 47505-47506; see 50 CFR 17.11 (1976). In so acting, it was noted that "the snail darter is a living entity which is genetically distinct and reproductively isolated from other fishes." 40 Fed. Reg.

参见《联邦公告》第40卷第47505-47506页，《联邦法规法典》1976版第50卷第17条第一款（1）项）在此过程中，被告被告知："蜗牛镖是一个有生命的实体，在基因上有别于其他鱼类，在繁殖上也和别的鱼类有所不同。"

Appearing before a Subcommittee of the House Committee on Appropriations in April 1975 - some seven months before the snail darter was listed as endangered - TVA representatives described the discovery of the fish and the relevance of the Endangered Species Act to the Tellico Project.

与此同时，国会也卷入了有关蜗牛镖命运的纠纷之中。1975年4月——即蜗牛镖被列入濒危物种名录第7个月前，在众议院拨款委员会的小组委员会上，田纳西流域管理局代表描述了这种鱼的发现以及《濒危物种法》和泰利库工程的相关性。

Respondents brought this suit to enjoin completion of the dam and impoundment of the reservoir, claiming that those actions would violate the Act by causing the snail darter's extinction.

上诉人提起诉讼，要求禁止大坝的继续建成和蓄水，声称这些行为将导致蜗牛镖的灭绝，从而违反该法。

Shortly after the Act's passage the Secretary was petitioned to list a small fish popularly known as the snail darter as an endangered species under the Act.

在该法通过后不久，有人请求内政部长依据该法将一种名为蜗牛镖列为濒危物种。

At various times before, during, and after the foregoing judicial proceedings, TVA represented to congressional Appropriations Committees that the Act did not prohibit completion of the Tellico Project and described its efforts to transplant the snail darter.

在上述司法过程之前、之中、之后，田纳西流域管理局就国会拨款委员会（Congressional Appropriations Committees）——声称该法没有禁止泰利库工程项目的完工并表示其迁移这些蜗牛镖的努力——提出异议。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。