The two floor openings were totally unfenced and the workers were not provided with any safety belt or fall arresting device .

两个洞口当时全无 围栏 阻隔， 亦 无 给予工人安全吊带或防堕装置。

But the eu 's proposed directive does not leave the field entirely unfenced .

但欧盟的提案并未将这一领域 门户 大 开。

Reflecting every stage and Custom of necessity Chimney roof fences of Wood and metal in an unfenced Age and enclosing next to Nothing at all : the old man In a sweater and soft black Hat who sweeps the sidewalk

反映不同时期 对于生活的 不同需求烟囱、房顶，以及在 这个 不 设防的年代用木头和金属做的栅栏包围圈内近乎无 物：那位老人穿着羊毛衫，戴着黑色软帽，打扫着人行道

Such events are particularly associated with hill farming areas where sheep range widely on largely unfenced land .

这类赛事经常 举行 于山农区，在那里羊只广为 散布于 大面积的 没有 围栏的草地。

The similarity between soil seed bank and aboveground vegetation in unfenced fields is little high than in fenced fields because of less species .

非 围栏 区 虽然物种 数目较少，但地上植被与土壤种子库的相似性 反而高于围栏区域。

Upon migration all external unfenced SPs and UDFs will become fenced .

在迁移时，所有外部的、 非 隔离SP和UDF都将变为有隔离（fenced）。

Our unfenced and largely unpoliced border inevitably has been very porous .. Administering and implementing the multilateral and plurilateral trade agreements which together make up the WTO ;

我们 不 设防的广阔而未受监管的边界不可避免地会有许多漏洞。·管理和执行WTO的多边与诸边贸易协定；

If you have performance-critical unfenced external stored procedures ( SPs ) or user-defined functions ( UDFs ) ensure they are thread-safe .

如果有性能关键型、 非 隔离的（ unfenced）外部存储过程（SP）或用户定义函数（UDF），那么应确保它们是线程安全的。

For data integrity by convention unfenced SPs and UDFs should already be thread-safe but this cannot be enforced .

按照惯例，为 确保数据完整性， 非 隔离SP和UDF应该已经是线程安全的，但是，这不是强制性的。

Eight predominant plants were collected from unfenced community ( degenerated community ) community fenced for 7 years and community fenced for 20 years . Leaf anatomical structures were compared to reveal the responses of plant leaf structures to grazing prohibition .

并对 未 禁牧群落（退化群落）、禁牧7a的群落和禁牧20a群落的8种主要植物叶的解剖结构特征进行比较研究，以探讨植物叶结构对禁牧的响应。

All of these mentioned above demonstrates that it is advantageous to improve soil N availability stand production and protect environment when the P. sylvestris var. mongolica stands on sandy soil are intensively managed ( from unfenced to fenced ) .

可见，与 未 围栏相比， 围栏对提高樟子松林N养分有效性、林分生产力和 稳定性以及保护环境都是有利的。

Therefore as a migration procedure create a script to facilitate the conversion to unfenced .

因此，在迁移过程中，应创建一个脚本，以便实现对 非 隔离的转换。