This example uses what in Scheme is called tail recursion.

Haskell has two primary advantages when dealing with recursion: Haskell optimizes tail recursion, and Haskell is lazy.

在处理递归时，Haskell有两大优势：Haskell优化了尾部递归，Haskell是惰性的。

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Lisp offers a performance optimization called tail recursion optimization.

Lisp提供一项称作尾部递归优化的性能优化技术。

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I crept back to bed, but was awakened later by low voices saying good-bye.

我悄悄溜回床上, 但是后来被低声的告别声绘吵醒.

词典精选例句

The education system has widespread problems with efficiency and effectiveness.

教育体系普遍存在效率及效益低下的问题.

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It certainly took him down a peg to be transferred to that humble position.

被调任到那个低下的职位,无疑使他很失面子.

词典精选例句

Tail pump cavitation match and application

矿用渣浆泵汽蚀匹配与应用

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Specially, the thermal lens effect is intensified due to the long tail attached to pulse, which leads to decreasing of conversion efficiency if pulse repetition rate is enhanced.

特别由于脉冲附带长的拖尾加剧了热透镜效应，使得脉冲重复频率的增加引起转换效率的降低。

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The contents of advanced glycation end products in thoracic aorta and tail tendon in each group were determined, DNA damage in peripheral blood lymphocyte was expressed by the tail pulling rate, the higher the tail pulling rate, the more serious the DNA damage.

测定各组大鼠糖化胸主动脉、尾腱糖基化终末产物含量，应用DNA拖尾率表示外周血淋巴细胞DNA损伤，拖尾率越高，DNA损伤越重。

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" Michael's kite," Peter said without interest, but next moment he had seized the tail, and was pulling the kite toward him.

“迈克尔的风筝。”彼得不感兴趣地说，可是紧接着，他突然抓住风筝的尾巴，把它拉到身边。

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Several ideas obtained from the construction supervision on 2# tail pond of Yichun Niobium and Tantalum Mine are given on the supervision of quality control, schedule control and cost control for the better work in the future.

通过宜春钽铌矿2~尾矿库监理工作，从监理对质量控制、进度控制、造价控制等方面谈了几点认识，从而更有效地做好工程监理工作。

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Some views on the construction supervision of 2# tail pond in Yichun Niobium and Tantalum Mine

宜春钽铌矿2~尾矿库工程建设监理的几点认识

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In this paper, T-st index is proposed, it is improved base on T-tree index, the successor and tail pointer are added, and the corresponding algorithm is designed, the ability of range searching, inserting, and deletion are all improved.

本文针对T树索引进行了改进，在原有的节点结构中加入后继指针和尾指针，提出了T-st树索引，设计了相应的算法，使范围查询、插入和删除等方面的性能有较大提高。

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Rather than wait for the other thread to finish, the current thread can "help" it out by finishing the operation for it by moving the tail pointer forward ( B).

不必等候其他线程完成，当前线程就可以“帮助”它完成操作，把尾指针向前移动（B）。

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It keeps checking the tail pointer and advancing it if necessary until the queue is in the quiescent state, at which point it can begin its own insertion.

如果有必要，它还会继续检查尾指针并向前移动指针，直到队列处于静止状态，这时它就可以开始自己的插入了。

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A wear-resistant bushing is sheathed on a tail end sleeve end tube, and a flange of the bushing is pressed between the tail wing plate and the tail end sleeve tube.

尾端套管上穿套一个耐磨轴衬，轴衬凸缘被压在尾翼板和尾端套管之间。

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Taking drawing of tail lamp strength plate in a car for example, the characteristics of drawing complex components with thin steel sheet has been described with some solutions for quality defection during the process of tooling adjustment.

以一款轿车尾灯加强板为例，说明了薄板复杂拉深类冲压件在拉深时的特点，同时提出了模具调整过程中相关缺陷问题的解决措施。

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Solution for Quality Defection of Drawing of Tail Lamp Strength Plate

尾灯加强板拉深质量缺陷的解决

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Method: From February 2001 to November 2003,111 patients diagnosed as lumbar spondylolisthesis were divided into two groups. Treatment group was 62 patients undergone posterior lumbar spinal decompression and intervertebral body fusion surgery with single nail-grooved tail steel plate and homemade intervertebral disc implant.

方法：将2001年2月～2003年11月间收治的111例腰椎滑脱症患者分成两组，行单钉-沟槽柱翼钢板联合椎间融合器后路手术治疗的62例为观察组；

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Conclusion: Single nail-grooved tail steel plate and homemade intervertebral disc implant can promote intervertebral body fusion, avoid iliac bone graft, keep the height of intervertebral space and the stability of the fixation segment.

结论：单钉-沟槽柱翼钢板联合自行研制的椎间融合器后路手术治疗腰椎滑脱症可避免取骨区并发症、维持椎间隙高度和节段稳定、融合率高。

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Single nail-grooved tail steel plate made of medical pure Ti ( type AT1) was designed and ap-plied in 22 patients by the authors.

应用AT1型医用纯钛，自行设计了单钉-沟槽柱翼钢板用于临床手术治疗腰椎滑脱症22例。

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