您要查找的是不是：
- Navicula directan. 直舟形藻
- Navicula directa var. javanican. 直舟形藻爪哇变种
- Navicula directa var. remotan. 直舟形藻疏远变种
- Navicula directa var. incusn. 直舟形藻砧骨变种
- In digital circuits the output state is determined by the input signals in as directa manner as the output voltage of an analog circuit is related to the input signal. 在数字线路中，输出状态是由输入信号决定的，就像这类线路的输出电压是与输入信号有关的一样直接。
- In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature. 不同季节浮游植物丰度差异小, 以硅藻门丰度占优势, 但与冷季相比, 暖季中甲藻门和蓝藻门丰度明显上升。
- Navicula costulata var. nipponican. 中肋舟形藻日本变种
- Navicula clementis var. linearisn. 克莱舟形藻线形变种
- Navicula crucicula var. orientalisn. 十字舟形藻东方变种
- Navicula viridula var. slesvicensisn. 微缘舟形藻斯来变种
- Navicula spectabilis var. excavatan. 美丽舟形藻发掘变种
- Navicula humerosa var. constrictan. 肩部舟形藻缢缩变种
- Navicula cryptocephala var. venetan. 隐头舟形藻威尼变种
- Navicula cancellata var. apiculatan. 方格舟形藻短头变种
- Navicula approximata var. niceaensisn. 相似舟形藻奈斯变种
- Navicula forcipata var. densestriatan. 钳状舟形藻密条变种
- actio commodati directa [法] 出借人的诉权
- infectio directa 直接传染, 接触传染
- retentio directa 直接固位
- Navicula tripunctatan. 三点舟形藻
