trace form

Seedless grapevines in cultivation are seed abortive. The fertilized ovules cannot develop the normal seed and only form seed trace when fruit mature.

生产中栽培的无核品种属于种子败育型，受精胚珠在发育途中败育而不能形成正常的种子，在果实成熟时仅留下大小不同的种子痕迹。

The paper introduces a practical example of database trigger technology of SQL Server 2000, and puts forward a feasible way for setting up the trace log of data form and for ensuring the data security in multi-user network environment.

本文介绍了Sql Server2000数据库触发器技术的应用实例，为数据表建立跟踪日志，解决网络多用户环境中数据文件安全提供一种切实可行的方法。

Besides, because the novel was spreaded by the folk traditional entertainment involving the way of talking and singing before it became the books form, it also retained massive trace of literature of mixed prose and verse.

又因《施公案》小说在成书之前，先以民间说唱的方式流传，小说中也就保留了大量的说唱文学的痕迹。

In the presence of Tween-80, trace zinc associates with thiocyanate and crystal violet can form a blue-violet ionic complex, can trace zinc be determined by FIA spectrophotometry.

在吐温-80存在下，锌与硫氰酸盐、结晶紫生成蓝紫色离子络合物，采用流动注射分光光度法测定海水中的微量锌。

Y: Right, but the thing is, when the bismuth combines with the trace amounts of sulfur in your saliva and in your gastrointestinal tract, it reacts to form a black substance called bismuth sulfide.

Y:嗯。但是，铋与唾液和胃肠道中微量的硫作用会生成一种黑色的物质——硫化铋。