North and South American species migrating across the Isthmus now came into competition with each other.

北美和南美的物种迁徙穿过地峡，现在开始互相竞争。

Second, it appears that closely related populations of fishes on both sides of the isthmus are starting to genetically diverge from each other.

其次，地峡两侧紧密相关的鱼类种群似乎开始在基因上彼此分化。

While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.

以前，大陆之间的鸿沟允许水自由流动；而现在地峡形成了一道屏障，把大西洋和太平洋分隔开来。

The formation of the isthmus had important consequences for global patterns of ocean water flow.

地峡的形成对全球洋流格局产生了重要的影响。

THE Central American isthmus is smaller than Texas.

中美洲地峡的面积比美国德州还小。

In which part of the world is the Isthmus located?

苏伊士地峡位于世界的哪一部分？

Environment and health in the central american isthmus;

中美洲地峡环境与卫生；

The isthmus that connects Central America and South America.

连接中美洲和南美洲的一个地峡。

"The Sugar Barons" explains why they migrated to the isthmus.

《糖料巨亨》这本书解释了为什么他们会迁移到地峡。

The north and south of the island are linked by a narrow isthmus.

岛的北部和南部由一条狭窄的地峡相连。

The present and future continents north and south, with the isthmus.

现在与未来的大陆在南北分立中间则有着地峡。

The isthmus of thyroid of the recurrent laryngeal nerve is the most common.

喉返神经在甲状腺峡平面分支的最为普遍；

The thyroid gland has a right lobe and a left lobe connected by a narrow isthmus.

位于颈部气管前，由左右两叶及中间狭窄的的峡部构成。

The thyroid gland has a right lobe and a left lobe connected by a narrow isthmus.

位于颈部气管前，由左右两叶及中间的峡部构成。

Objective:To provide anatomical data for isthmus reconstruction in lumbar spondylolysisora.

目的：为腰椎峡部裂线缆修复术提供所需的应用解剖学数据。

Objective To discuss the value of CT Opposite Scanning Technique in Lumbar Isthmus diagnosis.

目的探讨腰椎峡部CT反向扫描技术的价值。

The ablation target site was the isthmus between tricuspid valve annulus and inferior vana cava.

位于三尖瓣环和下腔静脉口间的峡部为消融部位。

The reanastomosis of isthmus and isthmus resulted in the highest rate of intrauterine pregnancy.

输卵管峡部吻合后宫内妊娠率最高。

Roosevelt, moreover, dispatched the u. s. a. Nashville to colon, on the Atlantic side of the isthmus.

另外，罗斯福还把美国舰只“纳什维尔”号调往地峡大西洋那一边的科隆。

A series of filters then ensures that convex polygons with peninsulas maintain a minimum isthmus width.

然后进行一系列过滤，保证凸状多边形能保持最小的狭缝宽度。

The location and treatment of the canal isthmus may be a prerequisite to successful surgical endodontics.

对根管管间峡区的诊断和治疗，是牙髓外科手术成功的关键。

The brunt of the russian attack fell at first upon the frontier defences of the finns in the karelian isthmus .

苏联进攻的主力，最先是集中在卡累利阿地峡芬兰的边境防御工事。

To investigate the late results of pedicle screw system and cage fixation for lumbar broken isthmus spondylolisthesis.

探讨椎弓根螺钉系统联合椎间植骨融合器治疗峡部不连性腰椎滑脱症的远期疗效。

Conclusions: Unilateral lobe with isthmus resection is safe and efficient for treating thyroid solitary thyroid nodule.

结论甲状腺患侧腺叶加峡部切除术是治疗甲状腺单发结节的安全、有效的理想术式。

Methods 5 teenagers were diagnosed lumbar discontinuous isthmus and treated by fusion and single section fixation by HS.

方法应用钉钩系统单节段固定加上峡部植骨融合治疗青少年腰椎峡部不连。

Hank Willis Thomas's "A Place to Call Home" depicts North America and Africa as big black continents joined by an isthmus.

汉克威利斯托马斯的作品“一个名叫家的地方”将北美洲和非洲刻画成了两个由地峡连接起来的黑色大洲。

The morphological structure and secrete mode of oviducal glands in isthmus was different with others places in the oviduct.

峡部的输卵管腺与其他部位的输卵管腺在形态结构和分泌方式上明显不同。

The isthmus, or pars interarticularis, is a small, thin segment of bone that connects the facet joints at the back of the spine.

峡部或称椎弓峡部，是脊柱背侧连接上下关节突之间的一段小而细的骨段。

Objective: Typical atrial flutter (AFL) was treated by posterior isthmus liner radiofrequency catheter ablation (RFCA) technique.

目的：采用右心房后位峡部线性消融治疗典型心房扑动。